Use 0.2.1 cache package

package-lock.json

@@ -5,9 +5,9 @@
   "requires": true,
   "dependencies": {
     "@actions/cache": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/@actions/cache/-/cache-0.2.0.tgz",
-      "integrity": "sha512-UwAVt2bIrPxEHB++qlOpmH0+JkyJ5NZn65Wh2V/9tVVpQpAPs9Yn22f/E/NeDLL8L9050tQpvcZjUR9NCAdsYw==",
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/@actions/cache/-/cache-0.2.1.tgz",
+      "integrity": "sha512-CV2D9zp+d+nL7o6XK/I7vVh350JglPMp/jHi9ppRUkdBHPUeP0UHVUfygZaAs8WmxhhWY1MI0gWah+t0QYu3Fg==",
       "requires": {
         "@actions/core": "^1.2.4",
         "@actions/exec": "^1.0.1",

package.json

@@ -26,7 +26,7 @@
     "@actions/core": "^1.2.0",
     "@actions/exec": "^1.0.1",
     "@actions/io": "^1.0.1",
-    "@actions/cache": "^0.2.0"
+    "@actions/cache": "^0.2.1"
   },
   "devDependencies": {
     "@types/jest": "^24.0.13",