fix: remove tslib from peerDependencies when adding it to dependencies

Author: alan-agius4

src/lib/ng-package/entry-point/write-package.transform.ts

@@ -141,6 +141,8 @@ async function writePackageJson(
         ...(packageJson.dependencies || {}),
         tslib: packageJson.peerDependencies.tslib,
       };
+
+      delete packageJson.peerDependencies.tslib;
     }
   }