chore(deps): update actions/github-script action to v8

Author: renovate[bot]

.github/workflows/get_values.yaml

@@ -62,7 +62,7 @@ jobs:
           echo "clean_branch_name_with_suffix=${CLEAN_BRANCH_NAME_WITH_SUFFIX}" >> $GITHUB_OUTPUT
 
       - name: get last commit author
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         id: get_commit_author
         with:
           result-encoding: string

.github/workflows/sync_branches.yaml

@@ -38,7 +38,7 @@ jobs:
         run: npm i @octokit/rest@v19
 
       - name: open and merge pull request
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         env:
           GIT_HUB_TOKEN: ${{ secrets.githubToken }}
         with: