chore: add skipNgcc option to build script

npm/ng-packs/scripts/build.ts

@@ -3,6 +3,7 @@ import program from 'commander';
 
 (async () => {
   program.option('-i, --noInstall', 'skip updating package.json and installation', false);
+  program.option('-c, --skipNgcc', 'skip ngcc', false);
 
   program.parse(process.argv);
 
@@ -55,7 +56,7 @@ import program from 'commander';
       { stdout: 'inherit', cwd: '../' },
     );
 
-    await execa('yarn', ['compile:ivy'], { stdout: 'inherit', cwd: '../' });
+    if (!program.skipNgcc) await execa('yarn', ['compile:ivy'], { stdout: 'inherit', cwd: '../' });
   } catch (error) {
     console.error(error.stderr);
     process.exit(1);