chore(main): release 0.9.0

[github-actions[bot]]

:robot: I have created a release beep boop

0.9.0 (2023-08-21)

Features

• :Elixir command with subcommands and completions (#160) (c4e1db5)
• nextls: enable auto update (#159) (af1b5a8)

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[github-actions[bot]]

:robot: Release is at https://github.com/elixir-tools/elixir-tools.nvim/releases/tag/v0.9.0 :sunflower: