Show profile details in new follower notification

[waldyrious]

The new follower system notification shown by Tusky only shows the username, but not the bio. In contrast, the official Mastodon app's new follower notification is more useful:

It would be nice if, besides the username, also the bio was shown in the system notification.

Note: this is related to #3281 and #3284, but it's about the Android system notifications, not the in-app notifications list.

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• Tusky Version: 23.0
• Android Version: 13
• Android Device: Pixel 4a
• Mastodon instance (if applicable): mastodon.social

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• I searched or browsed the repo’s other issues to ensure this is not a duplicate.