CI: set concurrency (#112)

Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>

.github/workflows/lint.yml

@@ -8,6 +8,11 @@ env:
 permissions:
   contents: read
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  # cancel all except push to main branch to have always full results
+  cancel-in-progress: ${{ !(github.event_name == 'push' && github.ref == 'refs/heads/main') }}
+
 jobs:
   lint:
     runs-on: ubuntu-latest

.github/workflows/tests.yml

@@ -1,12 +1,16 @@
 ---
-
 name: Tests
 
 on: [push, pull_request, workflow_dispatch]
 
 env:
   FORCE_COLOR: 1
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  # cancel all except push to main branch to have always full results
+  cancel-in-progress: ${{ !(github.event_name == 'push' && github.ref == 'refs/heads/main') }}
+
 jobs:
   test:
     runs-on: ${{ matrix.os }}
@@ -34,9 +38,8 @@ jobs:
 
       - name: Install dependencies
         run: |
-          python -m pip install -U pip
-          python -m pip install -U wheel
-          python -m pip install -U tox
+          pip install -U pip
+          pip install -U tox
 
       - name: Download more tests from friend projects
         if: matrix.python-version == '3.13' && matrix.os == 'ubuntu-latest'