chore: update dependency @actions/cache to v4

Author: renovate[bot]

bun.lock

@@ -57,7 +57,7 @@
     "root": true
   },
   "dependencies": {
-    "@actions/cache": "^3.2.4",
+    "@actions/cache": "^4.0.0",
     "@actions/core": "^1.10.1",
     "@actions/tool-cache": "^2.0.1",
     "@types/semver": "^7.5.8",