Update peter-evans/create-pull-request action to v7.0.8 (#119)

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

Author: renovate[bot]

.github/workflows/update-demo.yml

@@ -16,7 +16,7 @@ jobs:
       - run: vhs < ./tapes/demo.tape
       - run: vhs < ./tapes/gess.tape
 
-      - uses: peter-evans/create-pull-request@dd2324fc52d5d43c699a5636bcf19fceaa70c284 # v7.0.7
+      - uses: peter-evans/create-pull-request@271a8d0340265f705b14b6d32b9829c1cb33d45e # v7.0.8
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           title: update docs