Upgrade: [dependabot] - bump NHSDigital/eps-common-workflows/.github/workflows/pr_title_check.yml

Bumps [NHSDigital/eps-common-workflows/.github/workflows/pr_title_check.yml](https://github.com/nhsdigital/eps-common-workflows) from 5.6.4 to 5.6.6.
- [Release notes](https://github.com/nhsdigital/eps-common-workflows/releases)
- [Changelog](https://github.com/NHSDigital/eps-common-workflows/blob/main/release.config.cjs)
- [Commits](NHSDigital/eps-common-workflows@dac60c1...383f3f9)

---
updated-dependencies:
- dependency-name: NHSDigital/eps-common-workflows/.github/workflows/pr_title_check.yml
  dependency-version: 5.6.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/pull_request.yml

@@ -41,7 +41,7 @@ jobs:
       SONAR_TOKEN: '${{ secrets.SONAR_TOKEN }}'
   pr_title_format_check:
     uses: >-
-      NHSDigital/eps-common-workflows/.github/workflows/pr_title_check.yml@dac60c1e29babc62013e7bb9ade002cb381c4c49
+      NHSDigital/eps-common-workflows/.github/workflows/pr_title_check.yml@3166a790ef94af847ffcafc6b9fbadbf4c56f6d0
   get_issue_number:
     runs-on: ubuntu-22.04
     needs: quality_checks