Add restore key to _freeze cache key (#537)

Author: penelopeysm

.github/workflows/preview.yml

@@ -41,7 +41,10 @@ jobs:
         with:
           path: |
             ./_freeze/
-          key: ${{ runner.os }}-${{ hashFiles('**/Manifest.toml') }}
+          key: |
+            ${{ runner.os }}-${{ hashFiles('**/Manifest.toml') }}-${{ hashFiles('**/index.qmd') }}
+          restore-keys: |
+            ${{ runner.os }}-${{ hashFiles('**/Manifest.toml') }}
 
       - name: Render Quarto site
         run: quarto render

.github/workflows/publish.yml

@@ -43,7 +43,10 @@ jobs:
         with:
           path: |
             ./_freeze/
-          key: ${{ runner.os }}-${{ hashFiles('**/Manifest.toml') }}
+          key: |
+            ${{ runner.os }}-${{ hashFiles('**/Manifest.toml') }}-${{ hashFiles('**/index.qmd') }}
+          restore-keys: |
+            ${{ runner.os }}-${{ hashFiles('**/Manifest.toml') }}
 
       - name: Extract version from _quarto.yml
         id: extract_version