Manually update workflows

.github/workflows/pr-close-signal.yaml

@@ -16,7 +16,7 @@ jobs:
           mkdir -p ./pr
           printf ${{ github.event.number }} > ./pr/NUM
       - name: Upload Diff
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v4
         with:
           name: pr
           path: ./pr

.github/workflows/pr-comment.yaml

@@ -127,8 +127,8 @@ jobs:
     permissions:
       contents: write
     steps:
-      - name: 'Checkout md outputs'
-        uses: actions/checkout@v5
+      - name: "Checkout md outputs"
+        uses: actions/checkout@v4
         with:
           ref: md-outputs
           path: built

.github/workflows/update-cache.yaml

@@ -63,12 +63,7 @@ jobs:
       renv-needed: ${{ steps.renv-check.outputs.renv-needed }}
     steps:
       - name: "Checkout Lesson"
-        uses: actions/checkout@v5
-      - id: renv
-        run: |
-          if [[ -d renv ]]; then
-            echo "exists=true" >> $GITHUB_OUTPUT
-          fi
+        uses: actions/checkout@v4
 
       - name: "Is renv required?"
         id: renv-check
@@ -94,7 +89,7 @@ jobs:
       RENV_PATHS_ROOT: ~/.local/share/renv/
     steps:
       - name: "Checkout Lesson"
-        uses: actions/checkout@v5
+        uses: actions/checkout@v4
 
       - name: "Set up R"
         uses: r-lib/actions/setup-r@v2

.github/workflows/update-workflows.yaml

@@ -28,7 +28,7 @@ jobs:
       id-token: write
     steps:
       - name: "Checkout Repository"
-        uses: actions/checkout@v5
+        uses: actions/checkout@v4
 
       - name: "Validate Current Org and Workflow"
         id: validate-org-workflow