Integrate gutenberg-mobile release v1.121.0

[geriux]

Description

This PR incorporates the 1.121.0 release of gutenberg-mobile.
For more information about this release and testing instructions, please see the related Gutenberg-Mobile PR: wordpress-mobile/gutenberg-mobile#6992

Release Submission Checklist

• I have considered if this change warrants user-facing release notes and have added them to RELEASE-NOTES.txt if necessary.

[dangermattic]

	1 Warning
⚠️	This PR is assigned to the milestone 25.2. The due date for this milestone has already passed. Please assign it to a milestone with a later deadline or check whether the release for this milestone has already been finished.

Generated by 🚫 Danger

[wpmobilebot]

📲 You can test the changes from this Pull Request in WordPress Alpha by scanning the QR code below to install the corresponding build.

	App Name	WordPress Alpha
	Configuration	Release-Alpha
	Build Number	pr23431-3315fc0
	Version	25.1
	Bundle ID	org.wordpress.alpha
	Commit	3315fc0
	App Center Build	WPiOS - One-Offs #10320

Automatticians: You can use our internal self-serve MC tool to give yourself access to App Center if needed.

[wpmobilebot]

📲 You can test the changes from this Pull Request in Jetpack Alpha by scanning the QR code below to install the corresponding build.

	App Name	Jetpack Alpha
	Configuration	Release-Alpha
	Build Number	pr23431-3315fc0
	Version	25.1
	Bundle ID	com.jetpack.alpha
	Commit	3315fc0
	App Center Build	jetpack-installable-builds #9365

Automatticians: You can use our internal self-serve MC tool to give yourself access to App Center if needed.