Update draft release notes for Jetpack 24.6.

WordPress/jetpack_metadata/release_notes.txt

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-Good news, everyone: we fixed the broken links on your announcement badge screen. Insights into your biggest publishing accomplishments are just a tap away.
+* [**] Block editor: Highlight text fixes [https://github.com/WordPress/gutenberg/pull/57650]
+* [*] Block editor: Fixes an Aztec editor crash occurring on some occasions when the keyboard suggestions are used [https://github.com/wordpress-mobile/WordPress-Android/pull/20518]
+* [*] [Jetpack-only] Change "∞" symbol with "100%" on stats [https://github.com/wordpress-mobile/WordPress-Android/pull/20564]
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