fix: change import long to require (#920)

Source-Link: googleapis/synthtool@d229a12
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-nodejs:latest@sha256:74ab2b3c71ef27e6d8b69b1d0a0c9d31447777b79ac3cd4be82c265b45f37e5e

Author: gcf-owl-bot[bot]

.github/.OwlBot.lock.yaml

@@ -13,5 +13,5 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-nodejs:latest
-  digest: sha256:3f802f47bce31df4ee6b9513ca085a049347dba6837a4bdfa411b77ae0a9bc43
-# created: 2022-06-09T16:44:26.566602255Z
+  digest: sha256:74ab2b3c71ef27e6d8b69b1d0a0c9d31447777b79ac3cd4be82c265b45f37e5e
+# created: 2022-08-22T22:07:00.791732705Z