Update actions/cache action to v4

Author: renovate[bot]

.github/workflows/main.yml

@@ -25,7 +25,7 @@ jobs:
 
       - name: Cache dependencies
         id: cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ./node_modules
@@ -44,7 +44,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         id: npm-cache
         with:
           path: |