build if a tag is pushed

Author: AbstractUmbra

.github/workflows/build.yaml

@@ -13,7 +13,7 @@ on:
 
 jobs:
   build:
-    if: ${{ github.event.workflow_run.conclusion == 'success' }}
+    if: ${{ github.event.workflow_run.conclusion == 'success' || startsWith(github.ref, 'refs/tags') }}
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false