Fix Symfony 7.4 Request::get() deprecation in scopeFilteredByRequest

[jensbaagaard]

Summary

• Replace $request->get(...) with $request->query(...) in RequestInsurance::scopeFilteredByRequest() (the admin index filter scope).
• Silences the Symfony 7.4 deprecation warning that fires on every page load of the request-insurances admin UI:

  Since symfony/http-foundation 7.4: Request::get() is deprecated, use properties ->attributes, query or request directly instead.

• The admin filter form submits via GET, so query() is the precise, behavior-preserving replacement (previously get() would also fall back to attributes and request body, neither of which carry these inputs).

Why

Symfony deprecated Request::get() because of its ambiguous lookup order across attributes, query, then request bags — a long-standing source of subtle bugs. Picking query() here narrows the lookup to query-string params, which is what the form actually sends.

Test plan

• CI: existing PHPUnit suite passes.
• Manual: load the request-insurances admin index in any consuming service (e.g. money-limits) and confirm the deprecation no longer appears in logs.
• Manual: exercise each filter input — state checkboxes, url, trace_id, from, to — and confirm filtering still works.

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