Specifically:
"any activity that places a burden on our servers, where that burden is disproportionate to the benefits provided to users (for example, don't use Actions as a content delivery network or as part of a serverless application, but a low benefit Action could be ok if it’s also low burden); or"
Take a look:
https://docs.github.com/en/github/site-policy/github-additio...
Specifically: "any activity that places a burden on our servers, where that burden is disproportionate to the benefits provided to users (for example, don't use Actions as a content delivery network or as part of a serverless application, but a low benefit Action could be ok if it’s also low burden); or"