Update zoom.tar.xz to 5.15.10.6882

[flathubbot]

🤖 This pull request was automatically generated by flathub/flatpak-external-data-checker. Please open an issue if you have any questions or complaints. 🤖

[flathubbot]

Started test build 60024

[flathubbot]

Build 60024 successful To test this build, install it from the testing repository:

flatpak install --user https://dl.flathub.org/build-repo/42660/us.zoom.Zoom.flatpakref

[abachm]

I have verified the version is working