Add a window var for CWV Tech Report to look for

[brophdawg11]

Once this is out, we can get https://github.com/HTTPArchive/wappalyzer/blob/main/src/technologies/r.json updated to properly detect websites using RR in the wild

TODO:

• Figure out a way to test this post-build in CI

[changeset-bot]

🦋 Changeset detected

Latest commit: 2ab0287

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 4 packages

Name	Type
react-router-dom-v5-compat	Minor
react-router-dom	Minor
react-router	Minor
react-router-native	Minor

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[github-actions]

🤖 Hello there,

We just published version 6.22.0-pre.0 which includes this pull request. If you'd like to take it for a test run please try it out and let us know what you think!

Thanks!

[github-actions]

🤖 Hello there,

We just published version 6.22.0 which includes this pull request. If you'd like to take it for a test run please try it out and let us know what you think!

Thanks!