chore: improve checkhealth

[fredrikaverpil]

neotest-golang: require("neotest-golang.health").check()

requirements ~
- ok binary 'go' found on path: /users/fredrik/.pkgx/go.dev/v1.22.5/bin/go
- ok found go.mod file for /users/fredrik/code/public/neotest-golang/tests/go/positions_test.go in /users/fredrik/code/public/neotest-golang/tests/go/go.mod
- ok treesitter parser for go is installed
- ok neotest is available
- ok nvim-treesitter is available
- ok nio is available
- ok plenary is available

dap (optional) ~
- ok binary 'dlv' found on path: /users/fredrik/.local/share/fredrik/mason/bin/dlv
- ok dap is available
- ok dapui is available
- ok dap-go is available