chore(deps): update actions/checkout action to v4

.github/workflows/boto.yml

@@ -76,7 +76,7 @@ jobs:
           )"
 
       - name: Checkout upstream repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           token: ${{ secrets.SOCIALGROOVYBOT_BOTO_PAT }}
           ref: ${{ steps.comment.outputs.branch }}

.github/workflows/docs.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout 🛎️
-        uses: actions/checkout@v2.3.1 # If you're using actions/checkout@v2 you must set persist-credentials to false in most cases for the deployment to work correctly.
+        uses: actions/checkout@v4.1.4 # If you're using actions/checkout@v2 you must set persist-credentials to false in most cases for the deployment to work correctly.
         with:
           persist-credentials: false
 

.github/workflows/main.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Set up Node.js
         uses: actions/setup-node@v2
@@ -103,7 +103,7 @@ jobs:
     if: github.event_name == 'push'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Set up Node.js
         uses: actions/setup-node@v2