chore(main): release 0.21.0

[github-actions[bot]]

:robot: I have created a release beep boop

0.21.0 (2024-04-25)

Features

• alias-refactor workspace command (#386) (e14a611)
• completions: imports, aliases, module attributes (#410) (306f512), closes #45 #360 #334
• snippets: more of them (#414) (2d4fddb)
• undefined function code action (#441) (d03c1ad)

Bug Fixes

• accuracy of get_surrounding_module (#440) (9c2ff68)
• bump spitfire (#429) (23f7a6d)
• bump spitfire to handle code that runs out of fuel (#418) (1bb590e)
• completions: completions inside alias/import/require special forms (#422) (d62809e), closes #421
• completions: correctly accumulate variables in <- expressions (#424) (b3bf75b)
• completions: imports inside blocks that generate functions (#423) (04d3010), closes #420
• completions: log source code when env fails to build (#404) (9c7ff4d), closes #403
• credo: calculate accurate span from trigger (#427) (90cd35a)
• precompile Elixir with OTP25 (b9b67bd)
• references,definition: better references of symbols (#430) (4bfeb2b), closes #342 #184 #304
• request utf8 encoding (#419) (edd5a2a)
• revert "fix: request utf8 encoding (#419)" (c21cda6)
• update burrito (ed1bc3c)

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