fix GH103 and GH103 of sp-repo-review recommendations

GH102: Auto-cancel on repeated PRs

GH103: At least one workflow with manual dispatch trigger

Author: astanin

.github/workflows/tabulate.yml

@@ -3,6 +3,7 @@ name: pytest
 on:
   - push
   - pull_request
+  - workflow_dispatch
 
 jobs:
   build:
@@ -30,3 +31,7 @@ jobs:
       uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true