[Tooling] finalize_release lane: Add back hotfix validation and remove unused lane parameter

[iangmaia]

Follow up to the release backmerge #23673, where a couple of errors had to be fixed after running finalize_release: the lane ios_current_branch_is_hotfix was removed from release-toolkit but was still being used, and the options parameter was removed while still being passed to download_localized_strings_and_metadata (though not used).

This PR adds back the hotfix validation and properly removes the options parameter.

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	Build Number	pr23674-38ac3e5
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	Commit	38ac3e5
	App Center Build	jetpack-installable-builds #9868

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📲 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	pr23674-38ac3e5
	Version	25.4
	Bundle ID	org.wordpress.alpha
	Commit	38ac3e5
	App Center Build	WPiOS - One-Offs #10826

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[mokagio]

There's something about "release_is_hotfix?" that sounds odd.

I was going to suggest adding branch in the name, but that would be incorrect because the check is on the version file not the branch name.

Maybe current_version_is_hotfix? or is_hotfix?.

Not sure...

[iangmaia]

I got this method from Woo, which seems to have its name based on a release-toolkit method, but I agree -- renamed to current_version_hotfix? on 38ac3e5.