docs(readme): refresh contributors wall #16981

Job	Run time
Resolve runner profiles	10s
Detect validation scopes	12s
Static gate	16s
Workspace unit tests	1m 11s
Preflight	2m 41s
Web workspace tests	-1s
E2E Vitest	-1s
Playwright critical (${{ matrix.group }})	-1s
UI P0 (${{ matrix.name }})	-1s
Windows tools-pack payload tests	-1s
Playwright visual (${{ matrix.name }})	-1s
Validate workspace	2s
Runtime summary	4s
	4m 30s

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