chore(deps): update peter-evans/create-pull-request action to v8 (#827)

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

Author: renovate[bot]

.github/workflows/benchmark.yml

@@ -55,7 +55,7 @@ jobs:
           url=${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}/actions/runs/${GITHUB_RUN_ID}
           export url
           perl -i -0777 -pe 's/(?<=\[benchmark-gha\]: )[^\n]+(?=\n)/$ENV{url}/gs;' README.md
-      - uses: peter-evans/create-pull-request@v7
+      - uses: peter-evans/create-pull-request@v8
         with:
           branch: benchmark
           commit-message: 'New benchmark results'

.github/workflows/up.yml

@@ -22,7 +22,7 @@ jobs:
           git fetch --tags --force && \
           latest=$(git tag --sort=creatordate | tail -1) && \
           sed -E -i "s/<version>[^<]+/<version>${latest}/g" README.md
-      - uses: peter-evans/create-pull-request@v7
+      - uses: peter-evans/create-pull-request@v8
         with:
           branch: version-up
           commit-message: 'New version in README'