Support checking GKE version schema #882
Merged
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What this PR does / why we need it:
The version format of GKE clusters is $K8S_VERSION-gke.$INTERNAL_NUMBER (e.g., 1.27.9-gke.300). This format is not fully compliant to the SEMVER spec and causes this library to mistakenly recognize, for example, a 1.27.9-gke.300 cluster to be older than 1.21. This is a known issue (e.g., helm/helm#3810), and this change updates the version constraint to properly support GKE versions.
Which issue(s) this PR fixes:
N/A
Special notes for your reviewer:
N/A
Release note:
NONE