deps(ci): bump peter-evans/create-pull-request from 5 to 6

Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 5 to 6.
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](peter-evans/create-pull-request@v5...v6)

---
updated-dependencies:
- dependency-name: peter-evans/create-pull-request
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/patch-vendored-samba.yaml

@@ -78,7 +78,7 @@ jobs:
         run: cp -a samba-patched/python/samba/* internal/policies/certificate/python/vendor_samba
       - name: Create Pull Request
         if: ${{ always() }}
-        uses: peter-evans/create-pull-request@v5
+        uses: peter-evans/create-pull-request@v6
         with:
           commit-message: Auto update vendored Samba code
           title: 'deps(vendor): auto update vendored Samba code'

.github/workflows/policy-builds.yaml

@@ -231,7 +231,7 @@ jobs:
         shell: bash
         run: echo "branch=${GITHUB_REF#refs/heads/}" >> $GITHUB_OUTPUT
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v5
+        uses: peter-evans/create-pull-request@v6
         with:
           commit-message: Refresh policy definition files
           title: Refresh policy definition files