chore(deps): update dependency google-cloud-compute to v0.6.0 (#135)

Co-authored-by: Maciej Strzelczyk <strzelczyk@google.com>

Author: renovate-bot

compute/compute/snippets/requirements.txt

@@ -1 +1 @@
-google-cloud-compute==0.5.0
+google-cloud-compute==0.6.0