Update package version and changelog

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "@actions/cache",
-  "version": "3.1.4",
+  "version": "3.2.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@actions/cache",
-      "version": "3.1.4",
+      "version": "3.2.0",
       "license": "MIT",
       "dependencies": {
         "@actions/core": "^1.10.0",