chore(deps): bump github.com/onsi/gomega in /plugins/config

Bumps [github.com/onsi/gomega](https://github.com/onsi/gomega) from 1.28.0 to 1.28.1.
- [Release notes](https://github.com/onsi/gomega/releases)
- [Changelog](https://github.com/onsi/gomega/blob/master/CHANGELOG.md)
- [Commits](https://github.com/onsi/gomega/compare/v1.28.0...v1.28.1)

---
updated-dependencies:
- dependency-name: github.com/onsi/gomega
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

plugins/config/go.mod

@@ -5,7 +5,7 @@ go 1.21
 require (
 	github.com/dokku/dokku/plugins/common v0.0.0-00010101000000-000000000000
 	github.com/joho/godotenv v1.2.0
-	github.com/onsi/gomega v1.28.0
+	github.com/onsi/gomega v1.28.1
 	github.com/ryanuber/columnize v2.1.2+incompatible
 	github.com/spf13/pflag v1.0.5
 )
@@ -13,7 +13,7 @@ require (
 require (
 	github.com/codegangsta/inject v0.0.0-20150114235600-33e0aa1cb7c0 // indirect
 	github.com/codeskyblue/go-sh v0.0.0-20190412065543-76bd3d59ff27 // indirect
-	github.com/google/go-cmp v0.5.9 // indirect
+	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/otiai10/copy v1.14.0 // indirect
 	golang.org/x/net v0.17.0 // indirect
 	golang.org/x/sync v0.4.0 // indirect