Update app store PR link in README.md

[Archmonger]

Description

Checklist

Please update this checklist as you complete each item:

• Tests have been developed for bug fixes or new functionality.
• The changelog has been updated, if necessary.
• Documentation has been updated, if necessary.
• GitHub Issues closed by this PR have been linked.

_{By submitting this pull request I agree that all contributions comply with this project's open source license(s).}

Summary by Sourcery

This pull request updates the app store PR link in the README.md file to reference the correct pull request.

• Documentation:
  • Updated the app store PR link in README.md to point to the correct pull request.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request updates the app store PR link in the README.md file to point to the correct and updated pull request URL.

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[sourcery-ai]

Hey @Archmonger - I've reviewed your changes and they look great!

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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