build: update checkout action to v6

.github/workflows/ci.yml

@@ -52,7 +52,7 @@ jobs:
       run_type: ${{ steps.jobs.outputs.run_type }}
     steps:
       - name: Checkout the source code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Test citool
         # Only test citool on the auto branch, to reduce latency of the calculate matrix job
         # on PR/try builds.
@@ -113,7 +113,7 @@ jobs:
         run: git config --global core.autocrlf false
 
       - name: checkout the source code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 2
 
@@ -315,7 +315,7 @@ jobs:
     if: ${{ !cancelled() && contains(fromJSON('["auto", "try"]'), needs.calculate_matrix.outputs.run_type) }}
     steps:
       - name: checkout the source code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 2
       # Calculate the exit status of the whole CI workflow.

.github/workflows/dependencies.yml

@@ -51,7 +51,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: checkout the source code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: recursive
       - name: install the bootstrap toolchain
@@ -101,7 +101,7 @@ jobs:
       pull-requests: write
     steps:
       - name: checkout the source code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: download Cargo.lock from update job
         uses: actions/download-artifact@v4

.github/workflows/ghcr.yml

@@ -29,7 +29,7 @@ jobs:
       # Needed to write to the ghcr.io registry
       packages: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
 

.github/workflows/post-merge.yml

@@ -15,7 +15,7 @@ jobs:
     permissions:
       pull-requests: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           # Make sure that we have enough commits to find the parent merge commit.
           # Since all merges should be through merge commits, fetching two commits

src/doc/rustc-dev-guide/.github/workflows/ci.yml

@@ -22,7 +22,7 @@ jobs:
       BASE_SHA: ${{ github.event.pull_request.base.sha }}
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           # linkcheck needs the base commit.
           fetch-depth: 0

src/doc/rustc-dev-guide/.github/workflows/date-check.yml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Ensure Rust is up-to-date
         run: |

src/tools/clippy/.github/workflows/clippy_dev.yml

@@ -16,7 +16,7 @@ jobs:
     steps:
     # Setup
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         # Unsetting this would make so that any malicious package could get our Github Token
         persist-credentials: false

src/tools/clippy/.github/workflows/clippy_mq.yml

@@ -34,7 +34,7 @@ jobs:
     steps:
     # Setup
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         persist-credentials: false
 
@@ -94,7 +94,7 @@ jobs:
     steps:
      # Setup
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         persist-credentials: false
 
@@ -112,7 +112,7 @@ jobs:
     steps:
     # Setup
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         persist-credentials: false
 
@@ -168,7 +168,7 @@ jobs:
     steps:
     # Setup
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         persist-credentials: false
 

src/tools/clippy/.github/workflows/clippy_pr.yml

@@ -24,7 +24,7 @@ jobs:
     steps:
     # Setup
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         # Unsetting this would make so that any malicious package could get our Github Token
         persist-credentials: false

src/tools/clippy/.github/workflows/deploy.yml

@@ -25,13 +25,13 @@ jobs:
     steps:
     # Setup
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         # Unsetting this would make so that any malicious package could get our Github Token
         persist-credentials: false
 
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         ref: ${{ env.TARGET_BRANCH }}
         path: 'out'

src/tools/clippy/.github/workflows/lintcheck.yml

@@ -24,7 +24,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: 2
         # Unsetting this would make so that any malicious package could get our Github Token
@@ -80,7 +80,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         # Unsetting this would make so that any malicious package could get our Github Token
         persist-credentials: false
@@ -113,7 +113,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         # Unsetting this would make so that any malicious package could get our Github Token
         persist-credentials: false

src/tools/clippy/.github/workflows/remark.yml

@@ -11,7 +11,7 @@ jobs:
     steps:
     # Setup
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         # Unsetting this would make so that any malicious package could get our Github Token
         persist-credentials: false