Update GitHub actions to latest versions

Author: mhthies

.github/workflows/build.yml

@@ -13,9 +13,9 @@ jobs:
       matrix:
         python-version: ["3.7", "3.9", "3.12"]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install Ubuntu dependencies
@@ -35,7 +35,7 @@ jobs:
       run: |
         coverage xml
         coverage report -m
-    - uses: codecov/codecov-action@v2
+    - uses: codecov/codecov-action@v4
       if: ${{ always() }}
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
@@ -44,9 +44,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python 3.12
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v5
       with:
         python-version: 3.12
     - name: Install dependencies

.github/workflows/publish.yml

@@ -9,9 +9,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python 3.12
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v5
       with:
         python-version: 3.12
     - name: Install dependencies