Update @actions/cache and remove overrides

Now that `@actions/cache` has been updated, we can remove our manual
overrides for vulnerable dependencies.

node_modules/@actions/http-client/lib/index.js

@@ -123,6 +123,19 @@ class HttpClientResponse {
             }));
         });
     }
+    readBodyBuffer() {
+        return __awaiter(this, void 0, void 0, function* () {
+            return new Promise((resolve) => __awaiter(this, void 0, void 0, function* () {
+                const chunks = [];
+                this.message.on('data', (chunk) => {
+                    chunks.push(chunk);
+                });
+                this.message.on('end', () => {
+                    resolve(Buffer.concat(chunks));
+                });
+            }));
+        });
+    }
 }
 exports.HttpClientResponse = HttpClientResponse;
 function isHttps(requestUrl) {