chore(main): release 8.4.0

:robot: I have created a release beep boop

code-runner: added the toggletasks.nvim plugin (#965) (665bf35)
jj: Add Jujutsu/jj pack (58cf301)
jj: Add vim-jjdescription to jj pack (#956) (a6e6bbb)
pack: Add Jujutsu/jj pack (#954) (58cf301)
pack: add Lean language pack (#957) (b90565c)
pack: add Rego language pack (#931) (9018562)
terminal-integration: add toggleterm-manager.nvim (#959) (22a9151)
typescript: add conform.nvim support to typescript pack (#955) (50208df)
utility: add vim-fetch (172024f)
vscode: add more default mappings to vscode integration (#952) (1c7fb28)

mason-tool-installer-nvim: add missing user commands for lazy loading (add4111)
projectmgr-nvim: disable lazy loading (#961) (9bbab93)
typescript: prettier should be detected if it is a project dependency (2662403)
typescript: improve prettier detection with astrocore.rooter (#960) (3f9e967)
typescript: only check for prettier dependency for JavaScript or TypeScript files (5c186d9)
vscode-icons: add missing VS Code icons (cb43f34)

mason-tool-installer-nvim: by default disable other mason plugin integrations for better lazy loading (bbf59b2)

codicons are specified in lspkind preset and we need to set missing lsp kinds (df5475b)

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