Update ghpages.yml (#44)

Updating ghpages.yml.

.github/workflows/ghpages.yml

@@ -20,25 +20,23 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: "Checkout"
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
 
-    - name: "Cache Setup"
-      id: cache-setup
-      run: |
-        mkdir -p "$HOME"/.cache/xml2rfc
-        echo "::set-output name=path::$HOME/.cache/xml2rfc"
-        date -u "+::set-output name=date::%FT%T"
+    - name: "Setup"
+      id: setup
+      run: date -u "+date=%FT%T" >>"$GITHUB_OUTPUT"
 
-    - name: "Cache References"
-      uses: actions/cache@v2
+    - name: "Caching"
+      uses: actions/cache@v4
       with:
         path: |
-          ${{ steps.cache-setup.outputs.path }}
+          .refcache
+          .venv
+          .gems
+          node_modules
           .targets.mk
-        key: refcache-${{ steps.cache-setup.outputs.date }}
-        restore-keys: |
-          refcache-${{ steps.cache-setup.outputs.date }}
-          refcache-
+        key: i-d-${{ steps.setup.outputs.date }}
+        restore-keys: i-d-
 
     - name: "Build Drafts"
       uses: martinthomson/i-d-template@v1
@@ -53,7 +51,7 @@ jobs:
         token: ${{ github.token }}
 
     - name: "Archive Built Drafts"
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v4
       with:
         path: |
           draft-*.html