GHA bugfix

Author: lwaldron

.github/workflows/basic_checks.yaml

@@ -6,21 +6,17 @@ jobs:
     env:
       R_REMOTES_NO_ERRORS_FROM_WARNINGS: true
     steps:
-      # Change: Replaced the incompatible actions/checkout@v4 with a manual git clone.
-      # The container has git installed. We must also fetch the full history for pkgdown.
+      # Change: Removed the unnecessary `git fetch --prune --unshallow` command.
       - name: Checkout code
         run: |
           git clone https://github.com/${{ github.repository }} .
-          git fetch --prune --unshallow
           git checkout ${{ github.sha }}
 
       - name: Query dependencies
         run: |
           install.packages('remotes')
           saveRDS(remotes::dev_package_deps(dependencies = TRUE), ".github/depends.Rds", version = 2)
         shell: Rscript {0}
-        
-      # Change: The actions/cache step has been removed as it is incompatible.
 
       - name: Install system dependencies
         if: runner.os == 'Linux'
@@ -69,4 +65,4 @@ jobs:
         with:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           BRANCH: gh-pages
-          FOLDER: docs
+          FOLDER: docs