fix: ensure worker transformations

Author: logaretm

packages/replay-internal/rollup.npm.config.mjs

@@ -25,5 +25,8 @@ export default makeNPMConfigVariants(
       minify: true,
     },
     treeshake: false,
+    transform: {
+      target: 'es2020',
+    },
   })),
 );

packages/replay-worker/rollup.worker.config.mjs

@@ -13,6 +13,9 @@ const config = defineConfig([
       format: 'esm',
       minify: true,
     },
+    transform: {
+      target: 'es2020',
+    },
     external: ['./worker'],
   },
   {