Add note about alpine-3.14 switch
Created by: caugustus-sourcegraph
Add https://github.com/sourcegraph/deploy-sourcegraph/pull/4129 to the kubernetes-specific changelog.
Test plan
None, doc only change.
Created by: caugustus-sourcegraph
Add https://github.com/sourcegraph/deploy-sourcegraph/pull/4129 to the kubernetes-specific changelog.
None, doc only change.