Switch to mise for managing Ruby/Node versions

[mheap]

Description

Switch from rbenv to mise for tool installs in the installation instructions as it's easier to use + also supports node

Testing instructions

Preview link: N/A

Checklist

• [x] Review label added
• [x] Conditional version tags added, if applicable.

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[Guaris]

@mheap Without rbenv how do I address this error?

angel$ mise install
mise all runtimes are installed

Then

angel$ make install

akefile:10: *** ruby "3.3.3" is required. Found "ruby 2.6.10p210 (2022-04-12 revision 67958) [universal.x86_64-darwin22]". Run `rbenv install "3.3.3"`.  Stop.

[mheap]

@Guaris Did you add the mise activate line to your zshrc?

[fabianrbz]

@Guaris try removing the rbenv bits from your .zshrc if you have any.