composer(deps-dev): Bump composer/composer from 2.7.0 to 2.7.7 #1496

Job	Run time
Backward-Compatibility Analysis (8.1, locked)	21s
Code Coverage (8.1, locked)	23s
Coding Standards (8.1, locked)	17s
Refactoring (8.1, locked)	22s
Security Analysis (8.1, locked)	16s
Static Code Analysis (8.1, locked)	24s
Tests (8.1, lowest)	24s
Tests (8.1, locked)	18s
Dependency Analysis (8.1, locked)	21s
Tests (8.1, highest)	21s
Tests (8.2, lowest)	19s
Tests (8.2, locked)	15s
Tests (8.2, highest)	22s
Tests (8.3, lowest)	22s
Tests (8.3, locked)	17s
Tests (8.3, highest)	26s
	5m 28s

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