fix: Make Go installer respect cache input

src/installer.ts

@@ -34,7 +34,8 @@ export async function getGo(
   versionSpec: string,
   checkLatest: boolean,
   auth: string | undefined,
-  arch = os.arch()
+  arch = os.arch(),
+  cache: boolean
 ) {
   let manifest: tc.IToolRelease[] | undefined;
   const osPlat: string = os.platform();
@@ -83,12 +84,14 @@ export async function getGo(
   }
 
   // check cache
+  if (cache) {
     const toolPath = tc.find('go', versionSpec, arch);
     // If not found in cache, download
     if (toolPath) {
       core.info(`Found in cache @ ${toolPath}`);
       return toolPath;
     }
+  }
   core.info(`Attempting to download ${versionSpec}...`);
   let downloadPath = '';
   let info: IGoVersionInfo | null = null;

src/main.ts

@@ -36,7 +36,8 @@ export async function run() {
         versionSpec,
         checkLatest,
         auth,
-        arch
+        arch, 
+        cache
       );
 
       const installDirVersion = path.basename(path.dirname(installDir));