Merge branch 'fix-lint-warnings-1' into 'main'

.golangci.yml

authn/auth.go

authn/auth_password.go

authn/auth_recovery.go

cmd/smol-idp/account.go

cmd/smol-idp/bundle.go

cmd/smol-idp/common.go

cmd/smol-idp/idp.go

cmd/smol-idp/main.go

internal/memcache/memcache.go

internal/memcache/replication.go

internal/netutil/grpc_client.go

internal/testutil/fake_auth.go

internal/testutil/userdb.go

internal/yamlschema/schema.go

login/login_test.go

mgmt/app.go

mgmt/app_test.go

mgmt/asp.go

mgmt/change_password.go