chore(deps): update all dependencies (#256)

Co-authored-by: Anthonios Partheniou <partheniou@google.com>

Author: renovate-bot

packages/google-cloud-containeranalysis/samples/snippets/requirements.txt

@@ -1,6 +1,6 @@
 google-cloud-pubsub==2.10.0
-google-cloud-containeranalysis==2.7.1
-grafeas==1.4.2
+google-cloud-containeranalysis==2.7.2
+grafeas==1.4.3
 pytest==7.0.1
 flaky==3.7.0
 mock==4.0.3