chore(deps): Bump github.com/knadh/smtppool from 1.0.2 to 1.1.0

Bumps [github.com/knadh/smtppool](https://github.com/knadh/smtppool) from 1.0.2 to 1.1.0.
- [Release notes](https://github.com/knadh/smtppool/releases)
- [Commits](knadh/smtppool@v1.0.2...v1.1.0)

---
updated-dependencies:
- dependency-name: github.com/knadh/smtppool
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/go-chi/chi v4.1.2+incompatible
 	github.com/knadh/koanf v1.5.0
 	github.com/knadh/listmonk v1.1.0
-	github.com/knadh/smtppool v1.0.2
+	github.com/knadh/smtppool v1.1.0
 	github.com/spf13/pflag v1.0.5
 	github.com/twilio/twilio-go v1.16.0
 )

go.sum

@@ -205,8 +205,8 @@ github.com/knadh/koanf v1.5.0/go.mod h1:Hgyjp4y8v44hpZtPzs7JZfRAW5AhN7KfZcwv1RYg
 github.com/knadh/listmonk v1.1.0 h1:X5qIOKuyC3OxfKGf82C1yTIMHwsjWxvf1gzn2ulbXOo=
 github.com/knadh/listmonk v1.1.0/go.mod h1:XlnRvP4GDUZXZNq0+Yl8SqComqpZ9VoS3ZAzdakaiHs=
 github.com/knadh/smtppool v0.2.1/go.mod h1:3DJHouXAgPDBz0kC50HukOsdapYSwIEfJGwuip46oCA=
-github.com/knadh/smtppool v1.0.2 h1:qg2A2DYqrfeCxxAonVaL9xruhIP+e7xhq+TImyiLajQ=
-github.com/knadh/smtppool v1.0.2/go.mod h1:3DJHouXAgPDBz0kC50HukOsdapYSwIEfJGwuip46oCA=
+github.com/knadh/smtppool v1.1.0 h1:J7RB3PpNQW/STnJ6JXlNZLfuNsgJu2VILV+CHWnc/j8=
+github.com/knadh/smtppool v1.1.0/go.mod h1:3DJHouXAgPDBz0kC50HukOsdapYSwIEfJGwuip46oCA=
 github.com/knadh/stuffbin v1.1.0/go.mod h1:yVCFaWaKPubSNibBsTAJ939q2ABHudJQxRWZWV5yh+4=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/konsorten/go-windows-terminal-sequences v1.0.3/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=