Restrict Github action's fw deploy to master and dev

Author: biologist79

.github/workflows/firmware-builds.yml

@@ -95,6 +95,8 @@ jobs:
   commit:
     runs-on: ubuntu-latest
     needs: test_builds
+    if: github.event_name == 'push' && (github.ref == 'refs/heads/master' ||
+      github.ref == 'refs/heads/dev')
     steps:
       - name: Checkout target repository
         uses: actions/checkout@v4
@@ -114,8 +116,6 @@ jobs:
           cd target-repo
           git config user.name "GitHub Actions"
           git config user.email "actions@github.com"
-          for variant in lolin_d32_pro lolin_d32_pro_sdmmc_pe ttgo_t8 complete; do
-            git add Firmwares/${{ github.ref_name }}/firmware-*.bin
-          done
+          git add Firmwares/${{ github.ref_name }}/firmware-*.bin
           git commit -m "Firmware built from commit biologist79/ESPuino@${{ github.sha }}"
           git push