fix(runner): incorporate set project worker count into status messages

[agg23]

Fixes #35700.

Make sure our metadata override for worker count takes into consideration the active project worker count. As projects can have a variable number of workers, we take the max of these as it is most representative.

[github-actions]

Test results for "tests 1"

5 flaky

⚠️ [firefox-library] › library/inspector/cli-codegen-1.spec.ts:986:7 › cli codegen › should not throw csp directive violation errors @firefox-ubuntu-22.04-node18
⚠️ [firefox-page] › page/page-evaluate.spec.ts:424:3 › should throw for too deep reference chain @firefox-ubuntu-22.04-node18
⚠️ [webkit-library] › library/browsercontext-device.spec.ts:45:5 › device › should scroll to click @webkit-ubuntu-22.04-node18
⚠️ [webkit-library] › library/browsercontext-viewport-mobile.spec.ts:97:5 › mobile viewport › should fire orientationchange event @webkit-ubuntu-22.04-node18
⚠️ [webkit-library] › library/screenshot.spec.ts:95:14 › page screenshot › should work with device scale factor and scale:css @webkit-ubuntu-22.04-node18

39113 passed, 803 skipped
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Merge workflow run.