chore(deps): bump golang.org/x/sync in /plugins/scheduler-docker-local

Bumps [golang.org/x/sync](https://github.com/golang/sync) from 0.21.0 to 0.22.0.
- [Commits](https://github.com/golang/sync/compare/v0.21.0...v0.22.0)

---
updated-dependencies:
- dependency-name: golang.org/x/sync
  dependency-version: 0.22.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

plugins/scheduler-docker-local/go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/dokku/dokku/plugins/storage v0.0.0-00010101000000-000000000000
 	github.com/multiformats/go-base36 v0.2.0
 	github.com/spf13/pflag v1.0.10
-	golang.org/x/sync v0.21.0
+	golang.org/x/sync v0.22.0
 )
 
 require (