Update actions/checkout action to v3

.github/workflows/chromatic.yml

@@ -18,7 +18,7 @@ jobs:
         working-directory: ./web
     # Job steps
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v3
       - name: Install dependencies
         run: npm install --include=dev --force
         # 👇 Adds Chromatic as a step in the workflow

.github/workflows/javascript-formatting.yml

@@ -40,7 +40,7 @@ jobs:
     name: Run linter on changed files
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Install Dependencies
         run: npm install --force