chore(deps): bump github.com/ViBiOh/mailer from 1.15.0 to 1.16.0

Bumps [github.com/ViBiOh/mailer](https://github.com/ViBiOh/mailer) from 1.15.0 to 1.16.0.
- [Release notes](https://github.com/ViBiOh/mailer/releases)
- [Commits](ViBiOh/mailer@v1.15.0...v1.16.0)

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

go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/DATA-DOG/go-sqlmock v1.5.0
 	github.com/ViBiOh/auth/v2 v2.6.8
 	github.com/ViBiOh/httputils/v4 v4.2.0
-	github.com/ViBiOh/mailer v1.15.0
+	github.com/ViBiOh/mailer v1.16.0
 	github.com/lib/pq v1.9.0
 	gopkg.in/yaml.v2 v2.4.0
 )

go.sum

@@ -17,6 +17,8 @@ github.com/ViBiOh/httputils/v4 v4.2.0 h1:Gam5Q9sb2Dw4EDDEpYEBIMOpqTRw9sp+Zb30aPF
 github.com/ViBiOh/httputils/v4 v4.2.0/go.mod h1:+mwW3YVDPI9y1Fx1ZXbehJPqWDFtlDLsNL5otGeBSBw=
 github.com/ViBiOh/mailer v1.15.0 h1:OkDimn47BP48+eg+quP/LwphXRkX3b/XgK3HQKH5LOM=
 github.com/ViBiOh/mailer v1.15.0/go.mod h1:Y9FNFl9zmI0H1TUZR6V5nELRoHKojW+VU+DOag6onlA=
+github.com/ViBiOh/mailer v1.16.0 h1:OR7cbWXN6ZyNlom/WcIw3NmXXTLRBwiMMXbVTYDO9Cc=
+github.com/ViBiOh/mailer v1.16.0/go.mod h1:ZR3J829riosdgLRc6tAi+at4RAfNWgP2KOiAJEButZw=
 github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
 github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=