ci: update template so GAPIC_AUTO repos do not require special approvers for Java code (#1494) (#8019)

Source-Link: googleapis/synthtool@da89e53
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-java:latest@sha256:04f254abfe5f47fe73ae6f91d68d55c3b76e722a4943066c3bb0ce03573b4ad9

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

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-java:latest
-  digest: sha256:1ec28a46062b19135b11178ceee60231e5f5a92dab454e23ae0aab72cd875906
-  # created: 2022-06-27T15:01:06.405564326Z
+  digest: sha256:04f254abfe5f47fe73ae6f91d68d55c3b76e722a4943066c3bb0ce03573b4ad9
+# created: 2022-07-18T21:44:23.94208526Z