add concurrency setting to stop tests when new commits get pushed to PRs (#1801)

Author: nv-alaiacano

.github/workflows/cpu-tests.yml

@@ -11,6 +11,10 @@ on:
   pull_request:
     branches: [main]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   cpu-tests:
     runs-on: ${{ matrix.os }}

.github/workflows/gpu-tests.yml

@@ -10,6 +10,10 @@ on:
     branches: [main]
     types: [opened, synchronize, reopened, closed]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   gpu-tests:
     runs-on: 2GPU

.github/workflows/lint.yaml

@@ -5,6 +5,10 @@ on:
   push:
     branches: [main]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   pre-commit:
     runs-on: ubuntu-latest