CI: Add package registry

Signed-off-by: Vasiliy Doylov <nekocwd@mainlining.org>

.forgejo/workflows/build-alpine.yaml

@@ -22,5 +22,13 @@ jobs:
         with:
           name: build-files
           path: /data/work/packages/edge/aarch64/*.apk
+      - name: Upload to package registry
+        run: >
+          for apk in /data/work/packages/edge/aarch64/*.apk ; do
+            echo -- Uploading $apk
+            curl -H "Authorization: token ${{secrets.PACKAGE_TOKEN}}" \
+            --upload-file $apk \
+            ${{github.server_url}}/api/packages/${{github.repository_owner}}/alpine/edge/nightly
+          done
       - name: Clean up
         run: pmbootstrap -y zap -p