Update test.yml

Author: sobolevn

.github/workflows/test.yml

@@ -7,11 +7,19 @@ on:
   pull_request:
   workflow_dispatch:
 
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   mypy-self-check:
     timeout-minutes: 10
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
         python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
     steps: