Change behavior of the post-job

If caching is not enabled by action.yml input, save of the cache won't
occur in the post-job.

dist/cache-save/index.js

@@ -46368,6 +46368,9 @@ function run() {
 }
 exports.run = run;
 const cachePackages = () => __awaiter(void 0, void 0, void 0, function* () {
+    const cachingFlag = core.getInput('cache');
+    if (!cachingFlag)
+        return;
     const state = core.getState(constants_1.State.CacheMatchedKey);
     const primaryKey = core.getState(constants_1.State.CachePrimaryKey);
     const packageManagerInfo = yield cache_utils_1.getPackageManagerInfo();

src/cache-save.ts

@@ -21,6 +21,10 @@ export async function run() {
 }
 
 const cachePackages = async () => {
+
+  const cachingFlag = core.getInput('cache');
+  if (!cachingFlag) return;
+
   const state = core.getState(State.CacheMatchedKey);
   const primaryKey = core.getState(State.CachePrimaryKey);