Merge pull request #1117 from stan-dev/dependabot/github_actions/actions/checkout-6

Bump actions/checkout from 5 to 6

Author: jgabry

.github/workflows/R-CMD-check-wsl.yaml

@@ -36,7 +36,7 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
         if: "!startsWith(github.ref, 'refs/tags/') && github.ref != 'refs/heads/master'"
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: r-lib/actions/setup-r@v2
       - uses: r-lib/actions/setup-pandoc@v2

.github/workflows/R-CMD-check.yaml

@@ -49,7 +49,7 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
         if: "!startsWith(github.ref, 'refs/tags/') && github.ref != 'refs/heads/master'"
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: r-lib/actions/setup-r@v2
         with:

.github/workflows/Test-coverage.yaml

@@ -41,7 +41,7 @@ jobs:
           workflow: Test-coverage.yaml
         if: "!startsWith(github.ref, 'refs/tags/') && github.ref != 'refs/heads/master'"
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: r-lib/actions/setup-r@v2
       - uses: r-lib/actions/setup-pandoc@v2

.github/workflows/cmdstan-tarball-check.yaml

@@ -32,7 +32,7 @@ jobs:
       NOT_CRAN: true
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Install system dependencies
         if: runner.os == 'Linux'
         run: |