chore(deps): update actions/github-script action to v7

.github/workflows/renovate-changesets.yml

@@ -21,7 +21,7 @@ jobs:
           git config --global user.email action@github.io
           git config --global user.name 'Github changeset workflow'
       - name: Generate changeset
-        uses: actions/github-script@v6
+        uses: actions/github-script@v7
         with:
           script: |
             const { promises: fs } = require("fs");