⬆️ deps(gha): Bump actions/checkout from 2 to 3 (#553)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/publish-extensions.yml

@@ -30,7 +30,7 @@ jobs:
     name: node publish-extensions
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - uses: actions/setup-node@v3.0.0
       with:
         node-version: '14.x'

.github/workflows/validate-pr.yml

@@ -13,7 +13,7 @@ jobs:
     name: Validate PR
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-node@v3.0.0
         with:
           node-version: "14.x"