Merge branch 'renovate/github.com-chrj-smtpd-0.x' into 'master'

Update module github.com/chrj/smtpd to v0.3.1

See merge request !3

go.mod

@@ -2,4 +2,4 @@ module git.autistici.org/ai3/tools/smtpd-pipe
 
 go 1.16
 
-require github.com/chrj/smtpd v0.3.0
+require github.com/chrj/smtpd v0.3.1

go.sum

@@ -2,4 +2,6 @@ github.com/chrj/smtpd v0.2.0 h1:QGbE4UQz7sKjvXpRgNLuiBOjcWTzBKu/dj0hyDLpD14=
 github.com/chrj/smtpd v0.2.0/go.mod h1:1hmG9KbrE10JG1SmvG79Krh4F6713oUrw2+gRp1oSYk=
 github.com/chrj/smtpd v0.3.0 h1:cw1LSHDOz7N3XbkcZSF/bue9dh7ATKk5ZksfBztV6b0=
 github.com/chrj/smtpd v0.3.0/go.mod h1:1hmG9KbrE10JG1SmvG79Krh4F6713oUrw2+gRp1oSYk=
+github.com/chrj/smtpd v0.3.1 h1:kogHFkbFdKaoH3bgZkqNC9uVtKYOFfM3uV3rroBdooE=
+github.com/chrj/smtpd v0.3.1/go.mod h1:JtABvV/LzvLmEIzy0NyDnrfMGOMd8wy5frAokwf6J9Q=
 github.com/eaigner/dkim v0.0.0-20150301120808-6fe4a7ee9cfb/go.mod h1:FSCIHbrqk7D01Mj8y/jW+NS1uoCerr+ad+IckTHTFf4=

vendor/github.com/chrj/smtpd/go.mod

 module github.com/chrj/smtpd
 
 go 1.14
-
-require github.com/eaigner/dkim v0.0.0-20150301120808-6fe4a7ee9cfb

vendor/github.com/chrj/smtpd/go.sum

-github.com/eaigner/dkim v0.0.0-20150301120808-6fe4a7ee9cfb h1:17kQ+7S0aEyRhZd9KCAofvKlL1N1/w+zUZKaxpLFpM0=
-github.com/eaigner/dkim v0.0.0-20150301120808-6fe4a7ee9cfb/go.mod h1:FSCIHbrqk7D01Mj8y/jW+NS1uoCerr+ad+IckTHTFf4=

vendor/modules.txt

-# github.com/chrj/smtpd v0.3.0
+# github.com/chrj/smtpd v0.3.1
 ## explicit
 github.com/chrj/smtpd