feat(shoutrrr): update shoutrrr to v0.6.1 (#1326)

go.mod

@@ -3,7 +3,7 @@ module github.com/containrrr/watchtower
 go 1.12
 
 require (
-	github.com/containrrr/shoutrrr v0.5.3
+	github.com/containrrr/shoutrrr v0.6.1
 	github.com/docker/cli v20.10.17+incompatible
 	github.com/docker/distribution v2.8.0+incompatible
 	github.com/docker/docker v20.10.17+incompatible

go.sum

@@ -20,8 +20,8 @@ github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghf
 github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/containrrr/shoutrrr v0.5.3 h1:ndDN/cKl3cfmuHHjcTDiLTxxjl/1VTWTolOUTLUgiqc=
-github.com/containrrr/shoutrrr v0.5.3/go.mod h1:ye9jGX5YzMnJ76waaNVWlJ4luhMEyt1EWU5unYTQSb0=
+github.com/containrrr/shoutrrr v0.6.1 h1:6ih7jA6mo3t6C97MZbd3SxL/kRizOE3bI9CpBQZ6wzg=
+github.com/containrrr/shoutrrr v0.6.1/go.mod h1:ye9jGX5YzMnJ76waaNVWlJ4luhMEyt1EWU5unYTQSb0=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
 github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=