Bump Gradle wrapper to 8.8

[wzieba]

This PR bumps Gradle wrapper to 8.8.

To Test:

CI checks should be just fine.

[dangermattic]

	1 Message
📖	This PR is still a Draft: some checks will be skipped.

Generated by 🚫 Danger

[sonarcloud]

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 SonarCloud

[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
	Flavor	Jalapeno
	Build Type	Debug
	Version	pr21015-8d664fc
	Commit	8d664fc
	Direct Download	jetpack-prototype-build-pr21015-8d664fc.apk

Note: Google Login is not supported on these builds.

[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
	Flavor	Jalapeno
	Build Type	Debug
	Version	pr21015-8d664fc
	Commit	8d664fc
	Direct Download	wordpress-prototype-build-pr21015-8d664fc.apk

Note: Google Login is not supported on these builds.

[ParaskP7]

This ended-up being an exact similar review to WCAndroid here and here. Thus, any additional actions to be taken on the WCAndroid side, are also applicable here.