chore(deps): upgrade jenkins-x-plugins/jx-gitops to version 0.22.6

from: https://github.com/jenkins-x-plugins/jx-gitops.git

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# jenkins-x-plugins/jx-gitops

## Changes in version 0.22.6

### New Features

* use relative urls in s3 helm index (Mårten Svantesson)

### Bug Fixes

* increase timeout (Mårten Svantesson)
* decrease memory usage for linting (Mårten Svantesson)

pkg/plugins/versions.go

@@ -16,7 +16,7 @@ const (
 	ChangelogVersion = "0.10.7"
 
 	// GitOpsVersion the version of the jx gitops plugin
-	GitOpsVersion = "0.22.5"
+	GitOpsVersion = "0.22.6"
 
 	// HealthVersion the version of the jx health plugin
 	HealthVersion = "0.0.77"