chore(deps): update peter-evans/create-pull-request action to v7 (#15007)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/helm-tagged-release-pr.yaml

@@ -33,7 +33,7 @@ jobs:
           bash .github/workflows/scripts/helm-tagged-release.sh ${RELEASE_VERSION}
 
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v5
+        uses: peter-evans/create-pull-request@v7
         with:
           token: ${{ steps.get_github_app_token.outputs.token }}
           title: "chore: release loki helm chart ${{ steps.update.outputs.new_chart_version }}"

.github/workflows/helm-weekly-release-pr.yaml

@@ -41,7 +41,7 @@ jobs:
           bash .github/workflows/scripts/helm-weekly-release.sh -k
 
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v5
+        uses: peter-evans/create-pull-request@v7
         with:
           token: ${{ steps.get_github_app_token.outputs.token }}
           title: "chore: release loki helm chart ${{ steps.update-k.outputs.new_chart_version }}"
@@ -57,7 +57,7 @@ jobs:
           bash .github/workflows/scripts/helm-weekly-release.sh
 
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v5
+        uses: peter-evans/create-pull-request@v7
         with:
           token: ${{ steps.get_github_app_token.outputs.token }}
           title: "chore: release loki helm chart ${{ steps.update.outputs.new_chart_version }}"