Update actions/github-script action to v8 (#8)

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

Author: renovate[bot]

.github/workflows/docker.yml

@@ -75,7 +75,7 @@ jobs:
           fi
 
       - name: Determine image push
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         id: should-release
         with:
           script: |