fix: actions cancelling on push to master (#4578)

Author: Sidddddarth

.github/workflows/builds.yml

@@ -9,7 +9,7 @@ on:
       - main
   pull_request:
 concurrency:
-  group: ${{ github.workflow }}-${{ github.head_ref }}
+  group: ${{ github.workflow }}-${{ github.head_ref || github.sha }}
   cancel-in-progress: true
 env:
   arch_amd64: amd64

.github/workflows/tests.yaml

@@ -7,7 +7,7 @@ on:
       - "release/*"
   pull_request:
 concurrency:
-  group: ${{ github.workflow }}-${{ github.head_ref }}
+  group: ${{ github.workflow }}-${{ github.head_ref || github.sha }}
   cancel-in-progress: true
 jobs:
   integration:

.github/workflows/verify.yml

@@ -8,7 +8,7 @@ on:
       - main
   pull_request:
 concurrency:
-  group: ${{ github.workflow }}-${{ github.head_ref }}
+  group: ${{ github.workflow }}-${{ github.head_ref || github.sha }}
   cancel-in-progress: true
 jobs:
   generate: