Test branch for release automation in CI

[mokagio]

This is to test #22192.

Update: The PR was created before the changes from #22214 , as such, it's now out of sync with #22192. Still, the overall logic is the same, as the #22214 changes were mostly tweaks. The only main difference, trivial I hope, is that these tests run without the logic that creates the integration branch for the beta e8deffc

Step 1 trigger_code_freeze_in_ci

Build example: https://buildkite.com/automattic/wordpress-ios/builds/18998

Step 2 trigger_complete_code_freeze_in_ci

When no release version given:

With release_version:23.9

Build: https://buildkite.com/automattic/wordpress-ios/builds/19019
Integration PR: #22195

Step 3 release notes editorialization

Use the lane to create the editorialization branch, bundle exec fastlane create_editorial_branch branch:release/23.9-test (the branch parameter is only needed in this test because of the test flow where the code freeze hasn't been merged into trunk). After adding the editorialized release notes, push, and trigger the CI build with trigger_update_app_store_strings

Build: https://buildkite.com/automattic/wordpress-ios/builds/19023#_
Integration PR: #22196

Step 4 trigger_new_beta_release_in_ci

Build: https://buildkite.com/automattic/wordpress-ios/builds/19052
Integration PR: N.A. – Unfortunately the localization linting fails, which prevents deploying and creating a PR

On the other hand, it's a good demo of how the build would fail once rolled out. It makes me think that we might want to surface those failures as build annotations.

Note: this build failed because the 23.9 code freeze hadn't been merged on trunk yet so the computed version release_version_current turned out to be 23.8, for which a release branch no longer exists. With the move to the bot opening the integration PRs for us, this should become an even rarer occurrence, given the release manager will be able to merge the integration PR themselves.

Step 5 trigger_finalize_release_in_ci

Build: https://buildkite.com/automattic/wordpress-ios/builds/19054
Integration PR: #22209

[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	pr22194-9e4281d
	Version	23.8
	Bundle ID	org.wordpress.alpha
	Commit	9e4281d
	App Center Build	WPiOS - One-Offs #8106

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	pr22194-9e4281d
	Version	23.8
	Bundle ID	com.jetpack.alpha
	Commit	9e4281d
	App Center Build	jetpack-installable-builds #7126

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

[wpmobilebot]

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