When I use --three-way-merge option I get the error: ``` Error: Kubernetes cluster unreachable: no Auth Provider found for name "gcp" Error: plugin "diff" exited with error ``` used cmd line is: ``` helm --kube-context test diff upgrade echo ../std-app --three-way-merge ``` Same it I don't use `--kube-context` without three-way-merge it works. used helm: version.BuildInfo{Version:"v3.7.2", GitCommit:"663a896f4a815053445eec4153677ddc24a0a361", GitTreeState:"clean", GoVersion:"go1.16.10"} plugin: diff 3.3.2 Preview helm upgrade changes as a diff