Update actions/checkout action to v3 (#7175)

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

Author: renovate[bot]

.github/workflows/health-metrics-pull-request.yml

@@ -23,7 +23,7 @@ jobs:
     if: github.event_name == 'push' || !(github.event.pull_request.head.repo.fork)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-node@v2
         with:
           node-version: 14.x
@@ -40,7 +40,7 @@ jobs:
     if: github.event_name == 'push' || !(github.event.pull_request.head.repo.fork)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-node@v2
         with:
           node-version: 14.x

.github/workflows/lint.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up Node (14)
       uses: actions/setup-node@v2
       with:

.github/workflows/test-all.yml

@@ -19,7 +19,7 @@ jobs:
       run: |
         sudo apt-get update
         sudo apt-get install google-chrome-stable
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up Node (16)
       uses: actions/setup-node@v2
       with: