Bump cache action to v4 (#1343)

Author: williamtheaker

.github/workflows/node.js.yml

@@ -20,7 +20,7 @@ jobs:
         # Keep in sync with netlify.toml
         node-version: 20.x
     - name: Cache node_modules
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       id: cache
       with:
         # Caching node_modules isn't recommended because it can break across
@@ -42,13 +42,13 @@ jobs:
       with:
         node-version: 20.x
     - name: Load node_modules from cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         # Use node_modules from previous jobs
         path: 'node_modules'
         key: ${{ runner.os }}-node-20-${{ hashFiles('package*.json') }}
     - name: Cache BookReader/
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       id: build-cache
       with:
         # Cache the build files so we don't have to build twice for e2e tests
@@ -66,7 +66,7 @@ jobs:
       with:
         node-version: 20.x
     - name: Load node_modules from cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         # Use node_modules from previous jobs
         path: 'node_modules'
@@ -86,13 +86,13 @@ jobs:
       with:
         node-version: 20.x
     - name: Load node_modules from cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         # Use node_modules from previous jobs
         path: 'node_modules'
         key: ${{ runner.os }}-node-20-${{ hashFiles('package*.json') }}
     - name: Load BookReader/ from cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         # Cache the build files so we don't have to build twice for e2e tests
         path: 'BookReader'