Bump github.com/mailgun/mailgun-go/v4 from 4.11.0 to 4.12.0 (#117)

Bumps [github.com/mailgun/mailgun-go/v4](https://github.com/mailgun/mailgun-go) from 4.11.0 to 4.12.0.
- [Release notes](https://github.com/mailgun/mailgun-go/releases)
- [Changelog](https://github.com/mailgun/mailgun-go/blob/master/CHANGELOG)
- [Commits](mailgun/mailgun-go@v4.11.0...v4.12.0)

---
updated-dependencies:
- dependency-name: github.com/mailgun/mailgun-go/v4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Vishwas Shashidhar <VishwasShashidhar@users.noreply.github.com>

go.mod

@@ -22,7 +22,7 @@ require (
 	github.com/jackc/pgx-gofrs-uuid v0.0.0-20230224015001-1d428863c2e2
 	github.com/jackc/pgx/v5 v5.5.0
 	github.com/joho/godotenv v1.5.1
-	github.com/mailgun/mailgun-go/v4 v4.11.0
+	github.com/mailgun/mailgun-go/v4 v4.12.0
 	github.com/mitchellh/mapstructure v1.5.0
 	github.com/nyaruka/phonenumbers v1.2.2
 	github.com/robfig/cron/v3 v3.0.1

go.sum

@@ -325,8 +325,8 @@ github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/lib/pq v1.0.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
 github.com/lib/pq v1.1.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
 github.com/lib/pq v1.2.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
-github.com/mailgun/mailgun-go/v4 v4.11.0 h1:1cbHVxtf6SP6memOvQpZy7dgmo4Wz/urmpNv3z09rSg=
-github.com/mailgun/mailgun-go/v4 v4.11.0/go.mod h1:L9s941Lgk7iB3TgywTPz074pK2Ekkg4kgbnAaAyJ2z8=
+github.com/mailgun/mailgun-go/v4 v4.12.0 h1:TtuQCgqSp4cB6swPxP5VF/u4JeeBIAjTdpuQ+4Usd/w=
+github.com/mailgun/mailgun-go/v4 v4.12.0/go.mod h1:L9s941Lgk7iB3TgywTPz074pK2Ekkg4kgbnAaAyJ2z8=
 github.com/mattn/go-colorable v0.1.1/go.mod h1:FuOcm+DKB9mbwrcAfNl7/TZVBZ6rcnceauSikq3lYCQ=
 github.com/mattn/go-colorable v0.1.12 h1:jF+Du6AlPIjs2BiUiQlKOX0rt3SujHxPnksPKZbaA40=
 github.com/mattn/go-colorable v0.1.12/go.mod h1:u5H1YNBxpqRaxsYJYSkiCWKzEfiAb1Gb520KVy5xxl4=