fix(locators): escape quotes in regular expressions

[dgozman]

Fixes #26974.

[github-actions]

Test results for "tests 1"

4 flaky

⚠️ [chromium] › library/tracing.spec.ts:239:5 › should not include trace resources from the previous chunks
⚠️ [chromium] › page/page-event-request.spec.ts:101:3 › should report navigation requests and responses handled by service worker
⚠️ [chromium] › page/page-event-request.spec.ts:130:3 › should report navigation requests and responses handled by service worker with routing
⚠️ [webkit] › library/browsercontext-reuse.spec.ts:50:1 › should reset serviceworker

25611 passed, 600 skipped
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Merge workflow run.