Break a retain cycle between a UIAction and UIViewController

[crazytonyli]

Description

The retain cycle was introduced in #24982.

[dangermattic]

	1 Warning
⚠️	This PR is assigned to the milestone 26.5. This milestone is due in less than 4 days. Please make sure to get it merged by then or assign it to a milestone with a later deadline.

Generated by 🚫 Danger

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[wpmobilebot]

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

	App Name	Jetpack
	Configuration	Release-Alpha
	Build Number	29793
	Version	PR #24993
	Bundle ID	com.jetpack.alpha
	Commit	b8be383
	Installation URL	5iqnksn3g2jm0

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[wpmobilebot]

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

	App Name	WordPress
	Configuration	Release-Alpha
	Build Number	29793
	Version	PR #24993
	Bundle ID	org.wordpress.alpha
	Commit	b8be383
	Installation URL	51mocgdvafrdo

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