chore: update github actions to cancel previous in same workflow+branch

Author: starpit

.github/workflows/cli.yml

@@ -1,5 +1,10 @@
 name: CLI
 
+# cancel any prior runs for this workflow and this PR (or branch)
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 on:
   push:
     branches: [ main ]

.github/workflows/kind.yml

@@ -1,5 +1,10 @@
 name: Kind
 
+# cancel any prior runs for this workflow and this PR (or branch)
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 on:
   push:
     branches: [ main ]

.github/workflows/self-test.yml

@@ -1,6 +1,11 @@
 # Testing of the self-test capability
 name: Self-test
 
+# cancel any prior runs for this workflow and this PR (or branch)
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 on:
   push:
     branches: [ main ]

.github/workflows/ui.yml

@@ -3,6 +3,11 @@
 
 name: UI
 
+# cancel any prior runs for this workflow and this PR (or branch)
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 on:
   push:
     branches: [ main ]