Upgrade minimum Go requirement to 1.19

go.mod

 module git.autistici.org/id/auth
 
-go 1.14
+go 1.19
 
 require (
-	cloud.google.com/go v0.88.0 // indirect
 	git.autistici.org/ai3/go-common v0.0.0-20230816213645-b3aa3fb514d6
 	git.autistici.org/id/usermetadb v0.0.0-20230817075814-ec109f54aa90
 	github.com/bradfitz/gomemcache v0.0.0-20230124162541-5f7a7d875746
 	github.com/cenkalti/backoff/v4 v4.1.3
 	github.com/coreos/go-systemd/v22 v22.5.0
 	github.com/duo-labs/webauthn v0.0.0-20220330035159-03696f3d4499
-	github.com/form3tech-oss/jwt-go v3.2.5+incompatible // indirect
 	github.com/go-ldap/ldap/v3 v3.4.4
 	github.com/go-sql-driver/mysql v1.7.1
 	github.com/google/go-cmp v0.5.9
 	github.com/lib/pq v1.10.9
-	github.com/mattn/go-colorable v0.1.6 // indirect
 	github.com/mattn/go-sqlite3 v1.14.16
 	github.com/patrickmn/go-cache v0.0.0-20180815053127-5633e0862627
 	github.com/pquerna/otp v1.4.0
@@ -24,6 +21,103 @@ require (
 	go.opentelemetry.io/otel v1.10.0
 	go.opentelemetry.io/otel/trace v1.10.0
 	golang.org/x/sync v0.3.0
-	google.golang.org/genproto v0.0.0-20211013025323-ce878158c4d4 // indirect
 	gopkg.in/yaml.v3 v3.0.1
 )
+
+require (
+	cloud.google.com/go v0.88.0 // indirect
+	github.com/Azure/go-ntlmssp v0.0.0-20220621081337-cb9428e4ac1e // indirect
+	github.com/NYTimes/gziphandler v1.1.1 // indirect
+	github.com/amoghe/go-crypt v0.0.0-20220222110647-20eada5f5964 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/bgentry/speakeasy v0.1.0 // indirect
+	github.com/boombuler/barcode v1.0.1-0.20190219062509-6c824513bacc // indirect
+	github.com/census-instrumentation/opencensus-proto v0.3.0 // indirect
+	github.com/cespare/xxhash/v2 v2.1.2 // indirect
+	github.com/cloudflare/cfssl v1.6.1 // indirect
+	github.com/cncf/udpa/go v0.0.0-20210322005330-6414d713912e // indirect
+	github.com/cncf/xds/go v0.0.0-20210805033703-aa0b78936158 // indirect
+	github.com/coreos/go-semver v0.3.0 // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.0 // indirect
+	github.com/dustin/go-humanize v1.0.0 // indirect
+	github.com/envoyproxy/go-control-plane v0.9.10-0.20210907150352-cf90f659a021 // indirect
+	github.com/envoyproxy/protoc-gen-validate v0.6.1 // indirect
+	github.com/felixge/httpsnoop v1.0.3 // indirect
+	github.com/form3tech-oss/jwt-go v3.2.5+incompatible // indirect
+	github.com/fullstorydev/grpcurl v1.8.1 // indirect
+	github.com/fxamacker/cbor/v2 v2.4.0 // indirect
+	github.com/go-asn1-ber/asn1-ber v1.5.4 // indirect
+	github.com/go-logr/logr v1.2.3 // indirect
+	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang-jwt/jwt/v4 v4.1.0 // indirect
+	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
+	github.com/golang/mock v1.6.0 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/google/btree v1.0.1 // indirect
+	github.com/google/certificate-transparency-go v1.1.2-0.20210511102531-373a877eec92 // indirect
+	github.com/google/uuid v1.3.0 // indirect
+	github.com/gorilla/websocket v1.4.2 // indirect
+	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 // indirect
+	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway v1.16.0 // indirect
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/jhump/protoreflect v1.8.2 // indirect
+	github.com/jonboulle/clockwork v0.2.2 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/mattn/go-colorable v0.1.6 // indirect
+	github.com/mattn/go-runewidth v0.0.12 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369 // indirect
+	github.com/mitchellh/mapstructure v1.1.2 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/olekukonko/tablewriter v0.0.5 // indirect
+	github.com/openzipkin/zipkin-go v0.4.0 // indirect
+	github.com/prometheus/client_model v0.2.0 // indirect
+	github.com/prometheus/common v0.32.1 // indirect
+	github.com/prometheus/procfs v0.7.3 // indirect
+	github.com/rivo/uniseg v0.2.0 // indirect
+	github.com/russross/blackfriday/v2 v2.1.0 // indirect
+	github.com/sirupsen/logrus v1.8.1 // indirect
+	github.com/soheilhy/cmux v0.1.5 // indirect
+	github.com/spf13/cobra v1.1.3 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/tmc/grpc-websocket-proxy v0.0.0-20201229170055-e5319fda7802 // indirect
+	github.com/urfave/cli v1.22.5 // indirect
+	github.com/x448/float16 v0.8.4 // indirect
+	github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2 // indirect
+	go.etcd.io/bbolt v1.3.5 // indirect
+	go.etcd.io/etcd/api/v3 v3.5.0-alpha.0 // indirect
+	go.etcd.io/etcd/client/v2 v2.305.0-alpha.0 // indirect
+	go.etcd.io/etcd/client/v3 v3.5.0-alpha.0 // indirect
+	go.etcd.io/etcd/etcdctl/v3 v3.5.0-alpha.0 // indirect
+	go.etcd.io/etcd/pkg/v3 v3.5.0-alpha.0 // indirect
+	go.etcd.io/etcd/raft/v3 v3.5.0-alpha.0 // indirect
+	go.etcd.io/etcd/server/v3 v3.5.0-alpha.0 // indirect
+	go.etcd.io/etcd/tests/v3 v3.5.0-alpha.0 // indirect
+	go.etcd.io/etcd/v3 v3.5.0-alpha.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.34.0 // indirect
+	go.opentelemetry.io/contrib/propagators/b3 v1.9.0 // indirect
+	go.opentelemetry.io/otel/exporters/zipkin v1.9.0 // indirect
+	go.opentelemetry.io/otel/metric v0.31.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.10.0 // indirect
+	go.uber.org/atomic v1.7.0 // indirect
+	go.uber.org/multierr v1.7.0 // indirect
+	go.uber.org/zap v1.16.0 // indirect
+	golang.org/x/crypto v0.0.0-20220829220503-c86fa9a7ed90 // indirect
+	golang.org/x/mod v0.4.2 // indirect
+	golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2 // indirect
+	golang.org/x/oauth2 v0.0.0-20210628180205-a41e5a781914 // indirect
+	golang.org/x/sys v0.0.0-20220317061510-51cd9980dadf // indirect
+	golang.org/x/text v0.3.7 // indirect
+	golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba // indirect
+	golang.org/x/tools v0.1.5 // indirect
+	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
+	google.golang.org/appengine v1.6.7 // indirect
+	google.golang.org/genproto v0.0.0-20211013025323-ce878158c4d4 // indirect
+	google.golang.org/grpc v1.41.0 // indirect
+	google.golang.org/protobuf v1.27.1 // indirect
+	gopkg.in/cheggaaa/pb.v1 v1.0.28 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	sigs.k8s.io/yaml v1.2.0 // indirect
+)