CI: experimental support for automatically checking updates, building them and committing

No push to main repo is performed currently.

.github/workflows/package_updates.yml

@@ -2,7 +2,7 @@ name: Package updates
 
 on:
   schedule:
-    - cron:  '0 */6 * * *'
+    - cron:  '0 */1 * * *'
 
 jobs:
   update:
@@ -13,5 +13,9 @@ jobs:
     - name: Process package updates
       env:
         GITHUB_API_TOKEN: ${{ secrets.GH_API_KEY }}
+        BUILD_PACKAGES: "true"
+        GIT_COMMIT_PACKAGES: "true"
       run: |
+        git config --global user.name "Termux Github Actions"
+        git config --global user.email "leonid.pliushch@gmail.com"
         bash ./scripts/updates/check-updates.sh