Update proton-ge-custom-src.tar.xz to 8.3-1

[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 40308

[flathubbot]

Build 40308 failed

[flathubbot]

Started test build 43105

[flathubbot]

Build 43105 failed

[flathubbot]

Started test build 43254

[flathubbot]

Build 43254 failed

[flathubbot]

Started test build 43255

[flathubbot]

Build 43255 failed

[flathubbot]

Started test build 43311

[flathubbot]

Build 43311 failed

[flathubbot]

Started test build 43314

[flathubbot]

Build 43314 successful To test this build, install it from the testing repository:

flatpak install --user https://dl.flathub.org/build-repo/25945/com.valvesoftware.Steam.CompatibilityTool.Proton-GE.flatpakref

[Lctrs]

@benaryorg may you test this build please ?

[benaryorg]

My usual test games run nicely, everything seems to be in working order so far.

[Lctrs]

Thank you for taking care of this update @benaryorg. I couldn't have done this without you.