Bump actions/checkout from 5 to 6 (#6728)

.github/workflows/build-test.yml

@@ -138,7 +138,7 @@ jobs:
       CCACHE_DIR: ${{ github.workspace }}/.ccache
       CCACHE_LIMIT_MULTIPLE: 0.95
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           path: repo
       - name: Cache $CCACHE_DIR

.github/workflows/contributor.yml

@@ -16,5 +16,5 @@ jobs:
     name: "'docs/CONTRIBUTORS' was signed"
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - run: test_regress/t/t_dist_contributors.py

.github/workflows/coverage.yml

@@ -74,7 +74,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Download code coverage data
         uses: actions/download-artifact@v6

.github/workflows/docker.yml

@@ -39,7 +39,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Extract context variables
         run: |

.github/workflows/format.yml

@@ -21,7 +21,7 @@ jobs:
       CI_COMMIT: ${{ github.sha }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
       - name: Install packages for build

.github/workflows/pages.yml

@@ -38,7 +38,7 @@ jobs:
       coverage-pr-run-ids: ${{ steps.build.outputs.coverage-pr-run-ids }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Build pages
         id: build
         env:
@@ -70,7 +70,7 @@ jobs:
     if: ${{ github.repository == 'verilator/verilator' }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       # Use the Verilator CI app to post the comment
       - name: Generate access token
         id: generate-token

.github/workflows/reusable-build.yml

@@ -61,7 +61,7 @@ jobs:
       CCACHE_MAXSIZE: 1000M  # Per build matrix entry (* 5 = 5000M in total)
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           path: repo
           ref: ${{ inputs.sha }}

.github/workflows/reusable-lint-py.yml

@@ -27,7 +27,7 @@ jobs:
     name: Sub-lint | Python
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           path: repo
 

.github/workflows/reusable-rtlmeter-build.yml

@@ -45,7 +45,7 @@ jobs:
           restore-keys: rtlmeter-build-ccache-${{ inputs.runs-on }}-${{ inputs.cc }}
 
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           path: repo
           fetch-depth: 0 # Required for 'git describe' used for 'verilator --version'

.github/workflows/reusable-rtlmeter-run.yml

@@ -80,7 +80,7 @@ jobs:
           restore-keys: rtlmeter-run-ccache-${{ inputs.runs-on }}-${{ inputs.cc }}-${{ inputs.cases }}-${{ inputs.compileArgs }}
 
       - name: Checkout RTLMeter
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: "verilator/rtlmeter"
           path: rtlmeter

.github/workflows/rtlmeter.yml

@@ -188,7 +188,7 @@ jobs:
         tag: [gcc, clang, gcc-hier]
     steps:
       - name: Checkout RTLMeter
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: "verilator/rtlmeter"
           path: rtlmeter
@@ -246,7 +246,7 @@ jobs:
           repositories: verilator-rtlmeter-results
           permission-contents: write
       - name: Checkout verilator-rtlmeter-results
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: "verilator/verilator-rtlmeter-results"
           token: ${{ steps.generate-token.outputs.token }}
@@ -279,7 +279,7 @@ jobs:
       actions: read
     steps:
       - name: Checkout RTLMeter
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: "verilator/rtlmeter"
           path: rtlmeter