v0.6.2

• FEATURE: use XDG_CACHE_HOME to store data instead of $HOME/.kube if available
  (#93)
• FEATURE: introduce KUBECTX_IGNORE_FZF variable to override interactive mode
  when fzf is detected (#82)
• FIX: support Windows Subsystem for Linux (WSL) by detecting kubectx.exe in
  PATH when kubectl is not (#96)
• FIX: zsh completion script glitch that printed only two contexts (#81)
• IMPROVED: print errors when kubectl[.exe] is not detected in PATH (#92)
• IMPROVED: better error handling when executed subcommands (like kubectl) fail
  (#95)