Use checkout@v3

Author: theory

.github/workflows/release.yml

@@ -13,7 +13,7 @@ jobs:
       PGXN_PASSWORD: ${{ secrets.PGXN_PASSWORD }}
     steps:
     - name: Check out the repo
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: Bundle the Release
       id: bundle
       run: pgxn-bundle

.github/workflows/test.yml

@@ -32,7 +32,7 @@ jobs:
       UPDATE_FROM:  "${{ matrix.update_from }}"
     steps:
       - run: pg-start ${{ matrix.version }}
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       # Basic regression test.
       - run: pg-build-test