Merge pull request #32 from WyriHaximus/renovate/actions-checkout-3.x

Update actions/checkout action to v3

Author: WyriHaximus

.github/workflows/ci.yml

@@ -64,7 +64,7 @@ jobs:
     container:
       image: ghcr.io/wyrihaximusnet/php:${{ matrix.php }}-nts-buster-dev-root
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           path: checked_out_package
       - name: Set Up composer.json

.github/workflows/set-milestone-on-pr.yaml

@@ -21,7 +21,7 @@ jobs:
     outputs:
       check: ${{ steps.generate-checks-strategy.outputs.check }}
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v3
       - name: 'Get Previous tag'
         id: previoustag
         uses: "WyriHaximus/github-action-get-previous-tag@v1"