minor: change github workflow

.github/workflows/python-package.yml

@@ -1,7 +1,7 @@
-# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
+# This workflow will install Python dependencies, run tests and lint with a single version of Python
 # For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
 
-name: Python package
+name: Python application
 
 on:
   push:
@@ -9,21 +9,20 @@ on:
   pull_request:
     branches: [ "master" ]
 
+permissions:
+  contents: read
+
 jobs:
   build:
 
     runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        python-version: ["3.10"]
 
     steps:
     - uses: actions/checkout@v3
-    - name: Set up Python ${{ matrix.python-version }}
+    - name: Set up Python 3.10
       uses: actions/setup-python@v3
       with:
-        python-version: ${{ matrix.python-version }}
+        python-version: "3.10"
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip