[Reader] Change comment subscribe action label to "Follow"

[thomashorta]

Fixes #20118

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To Test:

1. Go to Reader
2. Tap on a Post with comments to open Post Details
3. Tap on "Comments" or scroll down and tap "View all comments"
4. Verifty the menu action says "Follow" instead of "Subscribe"

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Regression Notes

1. Potential unintended areas of impact

   • N/A

2. What I did to test those areas of impact (or what existing automated tests I relied on)

   • N/A

3. What automated tests I added (or what prevented me from doing so)

   • N/A

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PR Submission Checklist:

• I have completed the Regression Notes.
• I have considered adding accessibility improvements for my changes.
• I have considered if this change warrants user-facing release notes and have added them to RELEASE-NOTES.txt if necessary.

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UI Changes Testing Checklist:

N/A

• Portrait and landscape orientations.
• Light and dark modes.
• Fonts: Larger, smaller and bold text.
• High contrast.
• Talkback.
• Languages with large words or with letters/accents not frequently used in English.
• Right-to-left languages. (Even if translation isn’t complete, formatting should still respect the right-to-left layout)
• Large and small screen sizes. (Tablet and smaller phones)
• Multi-tasking: Split screen and Pop-up view. (Android 10 or higher)

[peril-wordpress-mobile]

	Warnings
⚠️	PR is not assigned to a milestone.

Generated by 🚫 dangerJS

[dangermattic]

	1 Warning
⚠️	PR is not assigned to a milestone.

Generated by 🚫 Danger

[wpmobilebot]

Found 1 violations:

The PR caused the following dependency changes:

+\--- me.saket.cascade:cascade-compose:2.3.0
+     +--- androidx.activity:activity-compose:1.7.2 -> 1.8.0 (*)
+     +--- androidx.compose.ui:ui:1.5.2 -> 1.5.3 (*)
+     +--- androidx.compose.ui:ui-tooling:1.5.2 -> 1.5.3 (*)
+     +--- androidx.compose.foundation:foundation:1.5.2 -> 1.5.3 (*)
+     +--- androidx.compose.material3:material3:1.1.2 (*)
+     \--- org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.9.10 (*)

Please review and act accordingly

[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	pr20119-1779dfd
	Commit	1779dfd
	Direct Download	jetpack-prototype-build-pr20119-1779dfd.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	pr20119-1779dfd
	Commit	1779dfd
	Direct Download	wordpress-prototype-build-pr20119-1779dfd.apk

Note: Google Login is not supported on these builds.

[develric]

Thanks for this PR @thomashorta 🙇 , works as expected and LGTM

Note: just noting for the future us, that this CI comment is not true, but was triggered by the PR initially targeting trunk by mistake. No dependency tree changes in this PR that only changes string resources 👍