Bug 1816892 - Update the Private Browsing Mode CFR text

[t-p-white]

Update the Private Browsing Mode CFR text that currently says, “Launch next private tab in one tap.” to say “Launch your next private tab in one tap" as per the original issue

Pull Request checklist

• [ ] Tests: This PR includes thorough tests or an explanation of why it does not
• [ ] Screenshots: This PR includes screenshots or GIFs of the changes made or an explanation of why it does not
• [ ] Accessibility: The code in this PR follows accessibility best practices or does not include any user facing features. In addition, it includes a screenshot of a successful accessibility scan to ensure no new defects are added to the product.

QA

• [ ] QA Needed

To download an APK when reviewing a PR (after all CI tasks finished running):

1. Click on Checks at the top of the PR page.
2. Click on the firefoxci-taskcluster group on the left to expand all tasks.
3. Click on the build-debug task.
4. Click on View task in Taskcluster in the new DETAILS section.
5. The APK links should be on the right side of the screen, named for each CPU architecture.

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[rahulsainani]

Now that we've moved to the monorepo, should this PR move there?

[csadilek]

Now that we've moved to the monorepo, should this PR move there?

Yes, @t-p-white, we've moved to the Monorepo. Please re-open the PR at https://github.com/mozilla-mobile/firefox-android. We will archive this repo in the coming days.

[t-p-white]

@rahulsainani, @csadilek thanks, will do!