chore(deps): bump dawidd6/action-download-artifact from 2 to 6 in /.github/workflows #1223

Job	Run time
Build test (3.10)	19s
Unit tests (3.8)	20s
Unit tests (3.9)	18s
Unit tests (3.10)	20s
Unit tests (3.11)	19s
Validate (3.10)	21s
Unit tests (3.12)	19s
Unit tests (3.13)	32s
Quarantined Integration Tests (3.10, 3.1/stable)	34m 29s
Integration (3.10, 3.1/stable)	40m 4s
Quarantined Integration Tests (3.10, 3.3/stable)	34m 12s
Quarantined Integration Tests (3.10, 3.4/stable)	41m 57s
Integration (3.10, 3.3/stable)	42m 14s
Quarantined Integration Tests (3.10, 3.5/stable)	41m 16s
Integration (3.10, 3.4/stable)	39m 48s
Integration (3.10, 3.5/stable)	41m 23s
	5h 18m 11s

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