Update peter-evans/create-pull-request action to v5

Author: renovate[bot]

.github/workflows/documentation.yaml

@@ -37,7 +37,7 @@ jobs:
 
       - name: Create Pull Request
         if: steps.terraform-docs.outputs.num_changed != '0'
-        uses: peter-evans/create-pull-request@v4
+        uses: peter-evans/create-pull-request@v5
         with:
           commit-message: 'generate-terraform-docs: automated action'
           committer: GitHub <[email protected]>