chore: housekeeping after the last firefox roll

[dgozman]

References #34497.
Closes #34586.

[github-actions]

Test results for "tests 1"

3 flaky

⚠️ [firefox-page] › tests/page/page-evaluate.spec.ts:403:3 › should throw for too deep reference chain @firefox-ubuntu-22.04-node18
⚠️ [webkit-library] › tests/library/browsercontext-pages.spec.ts:105:3 › should return bounding box with page scale @webkit-ubuntu-22.04-node18
⚠️ [webkit-page] › tests/page/page-screenshot.spec.ts:345:5 › page screenshot › should work while navigating @webkit-ubuntu-22.04-node18

38673 passed, 803 skipped
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Merge workflow run.