chore(deps): update actions/checkout action to v3 (#8)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/release-please.yml

@@ -18,7 +18,7 @@ jobs:
           token: ${{ steps.get-token.outputs.token }}
           release-type: node
           package-name: '@netlify/blobs'
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         if: ${{ steps.release.outputs.release_created }}
       - uses: actions/setup-node@v2
         with:

.github/workflows/workflow.yml

@@ -22,7 +22,7 @@ jobs:
       fail-fast: false
     steps:
       - name: Git checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v2
         with: