ci: bump actions/checkout to v4 (#47)

Author: fargito

.github/workflows/release.yml

@@ -14,12 +14,12 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - uses: actions/setup-python@v2
         with:
-            python-version: "3.11"
+          python-version: "3.11"
 
       - name: Install dependencies
         run: pip install hatch