chore(deps): update peter-evans/create-pull-request action to v8 (#1028)

Signed-off-by: Renovate Bot <[email protected]>

Author: renovate[bot]

.github/workflows/update-image-gardenlinux.yml

@@ -26,7 +26,7 @@ jobs:
         run: tox -e update-gardenlinux
 
       - name: Create pull request
-        uses: peter-evans/create-pull-request@v7
+        uses: peter-evans/create-pull-request@v8
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           commit-message: |

.github/workflows/update-images.yml

@@ -34,7 +34,7 @@ jobs:
         run: tox -e update -- --dry-run --name ${{ matrix.image }}
 
       - name: Create pull request
-        uses: peter-evans/create-pull-request@v7
+        uses: peter-evans/create-pull-request@v8
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           commit-message: |