Update to k3s v1.17.7 and a fix for encrypted SSH keys

k3sup bootstraps Kubernetes using SSH and k3s, welcome 👋

• Get started with a demo
• 📢 What are people saying about k3sup?

Changelog for 0.9.4:

• PR #250 Update dependencies by @hrak
• PR #249 Upgrade to k3s v1.17.7+k3s1 by @hrak
• PR #248 Readme.md usp->sup typo by @xnutsive

Commits
b946a46 Fix check for encrypted private keys using PassphraseMissingError by @hrak
02cd632 Update dependencies by @hrak
e52b7b4 Upgrade to k3s v1.17.7+k3s1 by @hrak
7aee495 Readme.md usp->sup typo by @xnutsive

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