The set-output command is deprecated and will be disabled soon

[bmoon4]

Github Actions is deprecating set-output command soon.

Warning: The `set-output` command is deprecated and will be disabled soon. 
Please upgrade to using Environment Files. 
For more information see: 
https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

So following lines need to be reviewed / fixed.

https://github.com/snok/container-retention-policy/blob/main/.github/workflows/clean_packages.yml#L66

https://github.com/snok/container-retention-policy/blob/main/main.py#L509

https://github.com/snok/container-retention-policy/blob/main/main_tests.py#L578-L580

[sondrelg]

Neat, thanks for letting me know. Would you be interested in creating a fix?