Bump actions/github-script from 6 to 7 (#387)

Author: dependabot[bot]

.github/workflows/publish.yml

@@ -60,7 +60,7 @@ jobs:
 
       # Ensure tag does not already exist.
       - name: Validate version
-        uses: actions/github-script@v6
+        uses: actions/github-script@v7
         env:
           vtag: ${{ env.vtag }}
         with: