Bump actions/checkout from 3 to 4

.github/workflows/check-bootnodes.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install polkadot
         shell: bash
         run: |

.github/workflows/check-licenses.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - uses: actions/setup-node@v3.8.1
         with:
           node-version: '18.x'

.github/workflows/check-new-bootnodes.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Install polkadot

.github/workflows/check-weights.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Check weights files
         shell: bash
         run: |
@@ -34,7 +34,7 @@ jobs:
           LAST_RELEASE=$(curl -s https://github.com/gitapi/repos/paritytech/polkadot/releases/latest | jq -r .tag_name)
           echo "LAST_RELEASE=$LAST_RELEASE" >> $GITHUB_ENV
       - name: Checkout current sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Check weight changes

.github/workflows/honggfuzz.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 1
 
@@ -48,7 +48,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 1
 
@@ -94,7 +94,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 1
 

.github/workflows/release-01_branch-check.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 

.github/workflows/release-10_candidate.yml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - id: compute_tag

.github/workflows/release-20_extrinsic-ordering-check-from-bin.yml

@@ -28,7 +28,7 @@ jobs:
 
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Fetch binary
         run: |

.github/workflows/release-21_extrinsic-ordering-check-from-two.yml

@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Fetch reference binary
         run: |

.github/workflows/release-30_publish-draft-release.yml

@@ -27,7 +27,7 @@ jobs:
         runtime: ["polkadot", "kusama", "westend", "rococo"]
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Cache target dir
         uses: actions/cache@v3
@@ -70,7 +70,7 @@ jobs:
       asset_upload_url: ${{ steps.create-release.outputs.upload_url }}
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
           path: polkadot
@@ -149,7 +149,7 @@ jobs:
         runtime: ["polkadot", "kusama", "westend", "rococo"]
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Download artifacts
         uses: actions/download-artifact@v3
       - name: Set up Ruby

.github/workflows/release-40_publish-rc-image.yml

@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Fetch all artifacts
         run: |
@@ -62,7 +62,7 @@ jobs:
 
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Get artifacts from cache
         uses: actions/cache@88522ab9f39a2ea568f7027eddc7d8d8bc9d59c8 # v3.3.1

.github/workflows/release-50_publish-docker-release.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@95cb08cb2672c73d4ffd2f422e6d11953d2a9c70 # v2.1.0
       - name: Cache Docker layers

.github/workflows/release-51_publish-docker-manual.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@95cb08cb2672c73d4ffd2f422e6d11953d2a9c70 # v2.1.0
       - name: Cache Docker layers