feat: param query support deepObject style

[fourcels]

// GreetingOutput represents the greeting operation response.
type GreetingOutput struct {
	Body struct {
		Person Person            `json:"person"`
		Map    map[string]string `json:"map"`
	}
}

type Person struct {
	Name     string `json:"name"`
	Age      int    `json:"age,omitempty" default:"20"`
	Birthday string `json:"birthday,omitempty"`
}

func main() {
	// Create a new router & API
	router := chi.NewMux()
	api := humachi.New(router, huma.DefaultConfig("My API", "1.0.0"))

	// Register GET /greeting
	huma.Get(api, "/greeting", func(ctx context.Context, input *struct {
		Person Person            `query:"person,deepObject"`
		Map    map[string]string `query:"map,deepObject"`
	}) (*GreetingOutput, error) {
		out := &GreetingOutput{}
		out.Body.Person = input.Person
		out.Body.Map = input.Map
		return out, nil
	})

	// Start the server!
	log.Println("http://127.0.0.1:8888/docs")
	http.ListenAndServe("127.0.0.1:8888", router)
}

curl --request GET \
  --url 'http://127.0.0.1:8888/greeting?person%5Bname%5D=foo&map%5Ba%5D=foo&map%5Bb%5D=foo2' \
  --header 'Accept: application/json, application/problem+json'

Response

{
  "$schema": "http://127.0.0.1:8888/schemas/GreetingOutputBody.json",
  "person": {
    "name": "foo",
    "age": 20
  },
  "map": {
    "a": "foo",
    "b": "foo2"
  }
}

[codecov]

Codecov Report

Attention: Patch coverage is 92.50000% with 9 lines in your changes missing coverage. Please review.

Project coverage is 92.88%. Comparing base (1c3924e) to head (de72104).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
huma.go	92.50%	6 Missing and 3 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #711      +/-   ##
==========================================
- Coverage   92.90%   92.88%   -0.03%     
==========================================
  Files          22       22              
  Lines        4963     5072     +109     
==========================================
+ Hits         4611     4711     +100     
- Misses        305      311       +6     
- Partials       47       50       +3     

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