alexellis/arkade 0.7.4

Update inletsctl, helm, doctl, kubectl, osm, k9s and kustomize

on GitHub

Changelog for 0.7.4:

• PR #334 Check semver constraints on faas-cli in get_test.go by @jasonprado
• PR #331 Fix download URL for tool mc by @jasonprado

Commits
2af6cb6 Fix test by @alexellis
6a810bf Update a number of tool versions and inletsctl by @alexellis
b1c4929 Check semver constraints on faas-cli in get_test.go by @jasonprado
f06a764 Fix download URL for tool mc by @jasonprado

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