Run action on tag (#334)

Author: janisz

.github/workflows/build.yaml

@@ -6,6 +6,8 @@ on:
   # Uploading Code Scanning results requires write access. Ignore dependabot branches for auto-merge.
   push:
     branches-ignore: "dependabot/**"
+    tags: 
+      - "*"
 
 env:
   # Use docker.io for Docker Hub if empty
@@ -150,7 +152,7 @@ jobs:
           tmp/windows/kube-linter.exe lint "tests/checks/access-to-create-pods.yml"
 
   image:
-    if: startsWith(github.ref, 'refs/tags/')
+    if: (github.ref == 'refs/heads/main') || (startsWith(github.ref, 'refs/tags/'))
     needs: build-and-test
     runs-on: ubuntu-latest
 
@@ -328,4 +330,4 @@ jobs:
           upload_url: ${{ steps.release_drafter.outputs.upload_url }}
           asset_path: darwin/kube-linter
           asset_name: kube-linter-mac
-          asset_content_type: application/octet-stream
+          asset_content_type: application/octet-stream