chore(ci): simplify ci/cd workflow

.github/workflows/check.yml

@@ -1,15 +1,11 @@
 name: CI/CD
 on:
   push:
-    branches-ignore:
-      - 'dependabot/**'
     paths-ignore:
       - '.gitignore'
-      - '.mergify.yml'
       - 'CHANGELOG.md'
       - 'LICENSE'
       - 'README.md'
-      - 'renovate.json'
   pull_request:
   workflow_dispatch:
 jobs:
@@ -26,11 +22,8 @@ jobs:
           - '3.11'
           - '3.12'
     runs-on: ${{ matrix.os }}
-    name: Run tests on Python ${{ matrix.python-version }}, on ${{ matrix.os }}
+    name: Test on Python ${{ matrix.python-version }}, on ${{ matrix.os }}
     timeout-minutes: 45
-    concurrency:
-      group: ${{ github.workflow }}-run-unit-tests-${{ matrix.python-version }}-${{ matrix.os }}-${{ github.event.number || github.ref }}
-      cancel-in-progress: true
     steps:
       - name: Setup Python
         uses: actions/setup-python@v5