fix(deps): update dependency react-syntax-highlighter to ^15.6.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
react-syntax-highlighter	^15.5.0 -> ^15.6.1

Test plan: CI should pass with updated dependencies. No review required: this is an automated dependency update PR.

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Release Notes

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

v15.6.1

Compare Source

• Fix: Allow override of display: styles when wrapLongLines is true

v15.6.0

Compare Source

• Fix: #​561 Fix bug with wrapLines that butchers highlighting
• Docs: #​559 Adding languages
• Feat: #​555 Add Vue language support
• Feat: #​534 Add a11yOneLight theme

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