Update dependency rdf-quad to v2 #1902

Job	Run time
Tooling checks (macos-latest)	1m 26s
Tooling checks (ubuntu-latest)	1m 23s
Tooling checks (windows-latest)	3m 18s
Prepare documentation	1m 12s
System tests (18.x, ubuntu-latest)	8m 38s
Browser tests (Chrome)	4m 10s
System tests (20.x, ubuntu-latest)	8m 41s
Browser tests (Firefox)	6m 50s
Unit tests (macos-latest, 18.x)	1m 20s
System tests (22.x, ubuntu-latest)	8m 40s
Performance benchmarks	0s
Unit tests (macos-latest, 20.x)	1m 41s
Unit tests (macos-latest, 22.x)	1m 37s
Unit tests (ubuntu-latest, 18.x)	1m 34s
Unit tests (ubuntu-latest, 20.x)	1m 31s
Unit tests (ubuntu-latest, 22.x)	1m 30s
Unit tests (windows-latest, 18.x)	6m 47s
Unit tests (windows-latest, 20.x)	7m 47s
Unit tests (windows-latest, 22.x)	3m 36s
Coverage check	8s
Web clients	0s
Publish documentation	0s
Performance analysis	0s
Docker images	0s
	1h 11m 49s

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