chore(deps): update dependency react-syntax-highlighter to ^15.6.6 (spectrum-two)

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
react-syntax-highlighter	^15.6.5 -> ^15.6.6

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Release Notes

react-syntax-highlighter/react-syntax-highlighter (react-syntax-highlighter)

v15.6.6

Compare Source

Updated overrides block attempting to solve transitive prismjs dependency issue:

"overrides": {
    "prismjs": "^1.30.0",
    "refractor": {
      "prismjs": "^1.30.0"
    }
  }

Full Changelog: react-syntax-highlighter/react-syntax-highlighter@v15.6.5...v15.6.6

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Latest commit: 9b2f7d9

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PR #4158 has been deployed to Azure Blob Storage: https://spectrumcss.z13.web.core.windows.net/pr-4158/index.html.

[github-actions]

File metrics

Summary

Total size: 1.43 MB^*

🎉 No changes detected in any packages

* Size is the sum of all main files for packages in the library.
* An ASCII character in UTF-8 is 8 bits or 1 byte.

[castastrophe]

Not seeing any regressions in Storybook which is where I'd expect to see changes from this bump.