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

Author: renovate[bot]

.github/workflows/eo-version-up.yml

@@ -22,7 +22,7 @@ jobs:
       - run: |
           curl https://api.github.com/repos/objectionary/eo/releases/latest \
             --silent | jq -r .tag_name > eo-version.txt
-      - uses: peter-evans/create-pull-request@v7
+      - uses: peter-evans/create-pull-request@v8
         with:
           sign-commits: true
           branch: version-up

.github/workflows/homebrew-formula-up.yml

@@ -28,7 +28,7 @@ jobs:
         run: |
           bash .github/homebrew_formula_up.sh "$GITHUB_TOKEN" "$TAG_VERSION"
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v7
+        uses: peter-evans/create-pull-request@v8
         with:
           sign-commits: true
           branch: homebrew-formulas-update

.github/workflows/up.yml

@@ -22,7 +22,7 @@ jobs:
           git fetch --tags --force && \
           latest=$(git tag --sort=creatordate | tail -1) && \
           sed -E -i "s/@[0-9.]+/@${latest}/g" README.md
-      - uses: peter-evans/create-pull-request@v7
+      - uses: peter-evans/create-pull-request@v8
         with:
           sign-commits: true
           branch: version-up