ci: upgrade create-github-app-token to v3.2.0 (#1383)

## Summary

- Upgrades `actions/create-github-app-token` from v3.0.0 to v3.2.0
- In v3.2.0 `client-id` is the correct input (`app-id` is deprecated),
fixing the broken "Generate token" step

Fixes
https://github.com/supabase/supabase-flutter/actions/runs/27011348688/job/79715439261

Author: spydon

.github/workflows/release-tag.yml

@@ -21,7 +21,7 @@ jobs:
     steps:
       - name: Generate token
         id: app-token
-        uses: actions/create-github-app-token@f8d387b68d61c58ab83c6c016672934102569859 # v3.0.0
+        uses: actions/create-github-app-token@bcd2ba49218906704ab6c1aa796996da409d3eb1 # v3.2.0
         with:
           client-id: ${{ vars.GH_APP_CLIENT_ID }}
           private-key: ${{ secrets.PRIVATE_KEY }}