chore(deps): update dependency google-cloud-containeranalysis to v2.16.0 (#12878)

Author: renovate-bot

containeranalysis/snippets/requirements.txt

@@ -1,5 +1,5 @@
 google-cloud-pubsub==2.21.5
-google-cloud-containeranalysis==2.12.1
+google-cloud-containeranalysis==2.16.0
 grafeas==1.12.1
 pytest==8.2.0
 flaky==3.8.1