fix(purescript): fix error Cannot find package "purs-tidy" (#1483)

fix: purescript pack -> fix error Cannot find package "purs-tidy"

```
Error executing vim.schedule lua callback: ...l/share/nvim/lazy/mason.nvim/lua/mason-registry/init.lua:80: Cannot find package "purs-tidy".
stack traceback:
        [C]: in function 'error'
        ...l/share/nvim/lazy/mason.nvim/lua/mason-registry/init.lua:80: in function 'get_package'
        ...on-tool-installer.nvim/lua/mason-tool-installer/init.lua:180: in function 'callback'
        ...share/nvim/lazy/mason.nvim/lua/mason-core/async/init.lua:87: in function 'step'
        ...share/nvim/lazy/mason.nvim/lua/mason-core/async/init.lua:96: in function 'run'
        ...l/share/nvim/lazy/mason.nvim/lua/mason-registry/init.lua:202: in function 'refresh'
        ...on-tool-installer.nvim/lua/mason-tool-installer/init.lua:262: in function ''
        vim/_editor.lua: in function ''
        vim/_editor.lua: in function <vim/_editor.lua:0>
```

Author: Russians tortured my 18yo friend Ivan bc of ukr flag in mobile phone

lua/astrocommunity/pack/purescript/init.lua

@@ -41,7 +41,7 @@ return {
     opts = function(_, opts)
       opts.ensure_installed = require("astrocore").list_insert_unique(opts.ensure_installed, {
         "purescript-language-server",
-        "purs-tidy",
+        "purescript-tidy",
       })
     end,
   },