Bump actions/checkout from 5 to 6 (#397)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

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

@@ -39,7 +39,7 @@ jobs:
           git config --global core.autocrlf false
 
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install Linux dependencies
         if: runner.os == 'Linux'

.github/workflows/test-coverage.yaml

@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install Linux dependencies
         if: runner.os == 'Linux'