Service and GitHub action for running imgsrv tests

[moseshll]

No description provided.

[aelkiss]

If you look at the output from the action, cloning the other repositories is not working - lots of errors about:

"fatal: could not read Username for 'https://github.com/': No such device or address"

https://github.com/hathitrust/babel-local-dev/actions/runs/6017365804/job/16390563343#step:4:33

(under 'dependency setup')

We can investigate what the best way to handle this is - I'm not sure if we just need to set some environment variables to pass through GITHUB_TOKEN and if that will work, or if we also need to specially generate a token for this that has access to all the appropriate things since some are private...

[moseshll]

We have this as an interesting read:
https://dev.to/dtinth/authenticating-as-a-github-app-in-a-github-actions-workflow-27co

I'm not sure it's a good use of developer time, with the devops hire becoming imminent.

[aelkiss]

Agreed. I believe @daaang, @niquerio and maybe @rrotter have done some of this already, but I'm not sure it makes sense for you or me to spend time on this right now. Would be great if the new devops hire could look at some of what's been done & get this working in a similar vein. Not sure what that means for right now.