devops: 3 shards for windows

[Skn0tt]

Looks like the shard weight heuristic is working! :D

[github-actions]

Test results for "MCP"

4 failed
❌ [chrome] › mcp/tabs.spec.ts:121 › close tab @mcp-macos-15
❌ [chromium] › mcp/video.spec.ts:23 › should work with --save-video (persistent) @mcp-macos-15
❌ [webkit] › mcp/test-debug.spec.ts:48 › test_debug (pause/resume) @mcp-macos-15
❌ [webkit] › mcp/test-debug.spec.ts:167 › test_debug (pause/snapshot/resume) @mcp-macos-15

2818 passed, 116 skipped

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Merge workflow run.

[github-actions]

Test results for "tests 1"

14 failed
❌ [playwright-test] › aria-snapshot-file.spec.ts:225 › should respect config.expect.toMatchAriaSnapshot.pathTemplate @macos-latest-node20
❌ [playwright-test] › playwright.spec.ts:601 › should not throw with many fixtures set to undefined @macos-latest-node20
❌ [playwright-test] › playwright.unhandled.spec.ts:51 › should produce uncaughtException when context.route raises @macos-latest-node20
❌ [playwright-test] › runner.spec.ts:124 › should ignore subprocess creation error because of SIGINT @macos-latest-node20
❌ [playwright-test] › reporter-html.spec.ts:1037 › created › should have link for opening HTML attachments in new tab @macos-latest-node20
❌ [playwright-test] › reporter-html.spec.ts:3212 › created › speedboard › clicking on label should not exit speedboard @macos-latest-node20
❌ [playwright-test] › test-server.spec.ts:178 › start dev server @macos-latest-node20
❌ [playwright-test] › test-step.spec.ts:190 › should not report nested after hooks @macos-latest-node20
❌ [playwright-test] › to-have-screenshot.spec.ts:939 › should respect maxDiffPixels option @macos-latest-node20
❌ [playwright-test] › to-have-screenshot.spec.ts:1022 › should satisfy both maxDiffPixelRatio and maxDiffPixels @macos-latest-node20
❌ [playwright-test] › to-have-screenshot.spec.ts:1091 › should respect maxDiffPixelRatio option @macos-latest-node20
❌ [playwright-test] › ui-mode-trace.spec.ts:183 › should show snapshots for steps @macos-latest-node20
❌ [playwright-test] › ui-mode-trace.spec.ts:688 › should indicate current test status @macos-latest-node20
❌ [playwright-test] › reporter.spec.ts:251 › merged › should not have internal error when steps are finished after timeout @windows-latest-node20

3 flaky

⚠️ [chromium-library] › library/inspector/recorder-api.spec.ts:120 › should type `@chromium-ubuntu-22.04-node22`
⚠️ [firefox-library] › library/inspector/cli-codegen-1.spec.ts:1082 › cli codegen › should not throw csp directive violation errors `@firefox-ubuntu-22.04-node20`
⚠️ [playwright-test] › ui-mode-trace.spec.ts:688 › should indicate current test status `@windows-latest-node20`

34399 passed, 696 skipped

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Merge workflow run.