Bump github.com/wneessen/go-mail from 0.4.2 to 0.4.3

Bumps [github.com/wneessen/go-mail](https://github.com/wneessen/go-mail) from 0.4.2 to 0.4.3.
- [Release notes](https://github.com/wneessen/go-mail/releases)
- [Commits](wneessen/go-mail@v0.4.2...v0.4.3)

---
updated-dependencies:
- dependency-name: github.com/wneessen/go-mail
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

go.mod

@@ -9,6 +9,6 @@ go 1.16
 require (
 	github.com/ProtonMail/gopenpgp/v2 v2.7.5
 	github.com/emersion/go-msgauth v0.6.8
-	github.com/wneessen/go-mail v0.4.2
+	github.com/wneessen/go-mail v0.4.3
 	golang.org/x/text v0.17.0
 )

go.sum

@@ -27,8 +27,8 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/wneessen/go-mail v0.4.2 h1:wISuU9LOGqrA7pxy7OipRtwoExXTzuGKmAjb8gYwc00=
-github.com/wneessen/go-mail v0.4.2/go.mod h1:zxOlafWCP/r6FEhAaRgH4IC1vg2YXxO0Nar9u0IScZ8=
+github.com/wneessen/go-mail v0.4.3 h1:FN4Ge0lpPxKkXuw4PgJSffXlruDdMo25bamfkMzm+FE=
+github.com/wneessen/go-mail v0.4.3/go.mod h1:zxOlafWCP/r6FEhAaRgH4IC1vg2YXxO0Nar9u0IScZ8=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=