Bump phpdocumentor/reflection-docblock from 5.4.1 to 5.5.0 #474

Job	Run time
Coding Standards	35s
Lint root / Lint yaml & Composer (8.2)	13s
Code Coverage / Code Coverage	41s
Dependency analysis / Dependency Analysis (8.2)	30s
Static analysis / Static Code Analysis (8.2)	49s
Unit test / Supported Versions Matrix	4s
Unit test / Tests (8.1, lowest)	26s
Unit test / Tests (8.1, locked)	29s
Unit test / Tests (8.1, highest)	25s
Unit test / Tests (8.2, lowest)	28s
Unit test / Tests (8.2, locked)	26s
Unit test / Tests (8.2, highest)	32s
Unit test / Tests (8.3, lowest)	34s
Unit test / Tests (8.3, locked)	21s
Unit test / Tests (8.3, highest)	1m 4s
Integration test / Supported Versions Matrix	6s
Integration test / Tests (8.1, lowest)	23s
Integration test / Tests (8.1, locked)	16s
Integration test / Tests (8.1, highest)	18s
Integration test / Tests (8.2, lowest)	18s
Integration test / Tests (8.2, locked)	12s
Integration test / Tests (8.2, highest)	34s
Integration test / Tests (8.3, lowest)	18s
Integration test / Tests (8.3, locked)	12s
Integration test / Tests (8.3, highest)	31s
	10m 45s

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