Bump actions/checkout from 2 to 3.1.0

.github/workflows/dep-summaries.yml

@@ -25,7 +25,7 @@ jobs:
       dep-auditors-list: ${{ steps.dep-auditors.outputs.list }}
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.1.0
         if: ${{ startsWith(github.event_name, 'pull_request') }}
         with:
           ref: ${{ github.event.pull_request.head.sha }}
@@ -36,18 +36,18 @@ jobs:
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
       - name: checkout base ref
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.1.0
         if: ${{ startsWith(github.event_name, 'pull_request') }}
         with:
           ref: ${{ steps.fetch-base-ref.outputs.ref }}
           path: libra-base
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.1.0
         if: ${{ github.event_name == 'push' }}
         with:
           ref: ${{ github.event.after }}
       - name: checkout base ref
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.1.0
         if: ${{ github.event_name == 'push' }}
         with:
           ref: ${{ github.event.before }}

.github/workflows/developer-site-ci.yml

@@ -19,7 +19,7 @@ jobs:
 
     steps:
     # Checks-out the Libra website repository under $GITHUB_WORKSPACE, so job can access it
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3.1.0
     # Installs node and yarn
     - name: Use Node.js 12
       uses: actions/[email protected]

.github/workflows/developer-site-deploy.yml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
     # Checks-out the Libra website repository under $GITHUB_WORKSPACE, so job can access it
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3.1.0
     # Installs node and yarn
     - name: Use Node.js 12
       uses: actions/[email protected]

.github/workflows/hyperjump-comment.yml

@@ -10,7 +10,7 @@ jobs:
     name: (hyperjump) comment
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.1.0
       - name: comment
         uses: libra/actions/hyperjump-comment@a9c5709
         with:

.github/workflows/hyperjump-labels.yml

@@ -10,7 +10,7 @@ jobs:
     name: (hyperjump) labels
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.1.0
       - name: labels
         uses: libra/actions/hyperjump-labels@a9c5709
         with:

.github/workflows/hyperjump-request-review.yml

@@ -10,7 +10,7 @@ jobs:
     name: (hyperjump) request-review
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.1.0
       - name: request review
         uses: libra/actions/hyperjump-request-review@a9c5709
         with:

.github/workflows/jsonrpc-compat.yml

@@ -11,7 +11,7 @@ jobs:
     name: Warn PR author about compatibility requirements
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.1.0
         with:
           ref: ${{ github.event.pull_request.head.sha }}
       - name: comment

.github/workflows/land-blocking.yml

@@ -15,7 +15,7 @@ jobs:
     # The additional time can cover the retries and wait.
     timeout-minutes: 50
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v3.1.0
       - name: Get PR number
         id: pr-num
         uses: actions/github-script@v3

.github/workflows/post-land.yml

@@ -13,7 +13,7 @@ jobs:
     # The pre-release suite run time varies 1~1.5 hr.
     timeout-minutes: 120
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v3.1.0
       - name: set_env
         id: set_env
         run: |