Resubmit Add HydrationSyncLane (#25711)

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Submit #25698 again after fixing
the devtools regression tests in CI.
The PR changed lanes representation and some snapshot tests of devtools
captures lanes. In devtools tests for older versions, the updated lanes
representation no longer matched. The fix is to disable regression tests
for those tests.

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```
./scripts/circleci/download_devtools_regression_build.js 18.0 --replaceBuild
node ./scripts/jest/jest-cli.js --build --project devtools --release-channel=experimental --reactVersion 18.0
```

Unrelated to this PR. There was some issue with jest caching when I
locally ran that command. it didn't seem to include the @reactVersion
transform, but if I manually modified `scripts/jest/preprocessor.js` or
ran ` yarn test --clearCache`, the jest test runs correctly.