feat: add object with deepObject style in query parameters

[maraino]

Support for objects with deepObject style in TryIt

This PR supports using objects with the deepObject style in the TryIt component.

A parameter id with the value {"role": "admin", "firstName": "Alex"} will create the query parameters id[role]=admin&id[firstName]=Alex.

This PR completes the table in PR #2231 with:

style	explode	URI	template	Primitive value id=5	Array id=[3, 4, 5]	Object id={"role": "admin", "firstName": "Alex"}	Covered by this PR
deepObject	true	n/a	n/a	n/a	n/a	/users?id[role]=admin&id[firstName]=Alex	✅

• [x] Read CONTRIBUTING.md

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