feat: Add `unqiue_key` based methods to `RequestQueueClient` #384

Job	Run time
Type check / Type check (3.12)	16s
Type check / Type check (3.11)	16s
Lint check / Lint check (3.10)	12s
Type check / Type check (3.10)	14s
Lint check / Lint check (3.12)	14s
Async dostrings check / Async docstrings check	19s
Lint check / Lint check (3.11)	13s
Lint check / Lint check (3.13)	10s
Unit tests / Unit tests (ubuntu-latest, 3.10)	27s
Unit tests / Unit tests (windows-latest, 3.13)	46s
Unit tests / Unit tests (windows-latest, 3.10)	40s
Unit tests / Unit tests (ubuntu-latest, 3.12)	27s
Unit tests / Unit tests (ubuntu-latest, 3.11)	24s
Unit tests / Unit tests (ubuntu-latest, 3.13)	23s
Docs check / Docs check	1m 3s
Unit tests / Unit tests (windows-latest, 3.11)	37s
Unit tests / Unit tests (windows-latest, 3.12)	41s
Type check / Type check (3.13)	14s
Integration tests / Integration tests (3.12)	32s
Integration tests / Integration tests (3.10)	38s
Integration tests / Integration tests (3.11)	31s
Integration tests / Integration tests (3.13)	27s
Integration tests / Approve integration tests for PRs from forks	0s
Integration tests / Integration tests for PRs from forks	0s
	9m 44s

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