Upgrade to GitHub Actions checkout@v4 (#76)

* Upgrade to GitHub Actions checkout@v4

https://github.com/actions/checkout/releases

* actions/setup-python@v5

Author: cclauss

.github/workflows/test.yml

@@ -18,7 +18,7 @@ jobs:
   package:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Build and Check Package
         uses: hynek/build-and-inspect-python-package@v1.5
 
@@ -50,7 +50,7 @@ jobs:
             tox_env: "pypy3-pytest7"
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Download Package
       uses: actions/download-artifact@v3
@@ -59,7 +59,7 @@ jobs:
         path: dist
 
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python }}
 
@@ -92,7 +92,7 @@ jobs:
             tox_env: "py37-pytest6"
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Download Package
         uses: actions/download-artifact@v3
@@ -101,7 +101,7 @@ jobs:
           path: dist
 
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: "3.7"