fix: update proguard rules

[holzgeist]

Connection with issue(s)

Resolve issue #2139

Testing and Review Notes

Steps to reproduce are mentioned in above Issue. This PR solves the error message for me.

The change originates from flutter output in the error message. Applying the same change to the local proguard-rules.pro file does not work unfortunately

Screenshots or Videos

N/A

To Do

• double check the original issue to confirm it is fully satisfied
• add testing notes and screenshots in PR description to help guide reviewers
• request the "UX" team perform a design review (if/when applicable)

[komaxx]

Looks good to me.

[Harishwarrior]

duplicate of #2102

[holzgeist]

oh, thanks for pointing it out. I only looked for potential duplicate issues, not for PRs. I'll close this in favor of the older one

[EchoEllet]

Applying the same change to the local proguard-rules.pro file does not work unfortunately

Have you already applied this file in Gradle configuration?

Try to enter the following:

-invalid
-keep com.applicaition.package {;}
-keep ()

It's invalid file content.

If it didn't give you any error, then it's usually means that the Proguard configuration is not configured to use this file or don't have access to.