chore(deps): update dependency grafeas to v1.5.1 (#314)

Co-authored-by: Anthonios Partheniou <[email protected]>

Author: renovate-bot

container_registry/container_analysis/snippets/requirements.txt

@@ -1,6 +1,6 @@
 google-cloud-pubsub==2.13.6
 google-cloud-containeranalysis==2.9.0
-grafeas==1.5.0
+grafeas==1.5.1
 pytest==7.1.2
 flaky==3.7.0
 mock==4.0.3