Bump ministryofjustice/hmpps-github-actions in the minor group (#781)

Bumps the minor group with 1 update: [ministryofjustice/hmpps-github-actions](https://github.com/ministryofjustice/hmpps-github-actions).


Updates `ministryofjustice/hmpps-github-actions` from 2.1.3 to 2.1.6
- [Release notes](https://github.com/ministryofjustice/hmpps-github-actions/releases)
- [Changelog](https://github.com/ministryofjustice/hmpps-github-actions/blob/main/CHANGELOG.md)
- [Commits](ministryofjustice/hmpps-github-actions@8cb1935...575b0af)

---
updated-dependencies:
- dependency-name: ministryofjustice/hmpps-github-actions
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: minor
...

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Author: dependabot[bot]

.github/workflows/trivy.yml

@@ -7,7 +7,7 @@ on:
 
 jobs:
   trivy:
-    uses: ministryofjustice/hmpps-github-actions/.github/workflows/security_trivy.yml@8cb19358c0575f37e48937fb8ff462beca6c4f6a # v1
+    uses: ministryofjustice/hmpps-github-actions/.github/workflows/security_trivy.yml@575b0afab064016521c4b1671c9221b9f8fc3039 # v1
     with:
       channel_id: probation-integration-notifications
     secrets: