📑 Refactor `TrlParser` #6393

Job	Run time
Tests with dev dependencies	49m 16s
Tests with minimum versions	20m 20s
Tests (3.9, ubuntu-latest)	20m 16s
Check code quality	8s
Tests (3.9, windows-latest)	19m 58s
Tests (3.10, ubuntu-latest)	18m 38s
Tests without optional dependencies	8m 59s
Tests (3.10, windows-latest)	21m 17s
Tests (3.11, ubuntu-latest)	17m 26s
Tests (3.11, windows-latest)	4m 19s
Tests (3.12, ubuntu-latest)	20m 5s
Tests (3.12, windows-latest)	21m 23s
	3h 42m 5s

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