Run gh actions manually

.github/workflows/build.yml

@@ -1,12 +1,7 @@
 name: Build Docker Image
 
 on:
-  push:
-    branches:
-      - master
-  pull_request:
-    branches:
-      - master
+  workflow_dispatch:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref_protected == 'true' && github.sha || github.ref }}-{{ github.event_name }}