update action/cachev2 to v4 to fix build issue (#1278)

Co-authored-by: Aaron Honeycutt <aaronhoneycutt@proton.me>

Author: ahoneybun

.github/workflows/ci.yml

@@ -61,7 +61,7 @@ jobs:
 
       - name: Cache
         id: cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ./node_modules
           key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}