The set-output command is going to be deprecated

[jopmiddelkamp]

When using this action I'm getting the warning: The set-output command is deprecated and will be disabled soon. Please upgrade to using Environment Files.

[brycestejskal]

For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

[redfearnk]

If you need your build to work, I have a temporary work around here: https://github.com/redfearnk/upload-testflight-build/tree/fix-set-output

I think the real fix will involve merging with the template repo it seems like this is resolved in the master branch of the template repo