Update release.yml

Author: dclong

.github/workflows/release.yml

@@ -8,7 +8,7 @@ jobs:
     name: Release
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Build Portable Python Environments - env_python.sh
         run: |
           ./run.sh env_python.sh