feat(cdn): use single fingerprint for all files in a package

[sgore-godaddy]

Summary

Introducing an option to have a single fingerprint id for all the files in a package so that the files can be co-located at runtime.

Using https://github.com/paralleldrive/cuid2 to generate secure, collision-resistant ids.

Changelog

Test Plan

Tests are updated and confirmed to be passing.

[mswaagman-godaddy]

Fingerprints used to be based on file contents, why not take the combined fingerprints of each file and generate a fingerprint of the fingerprints? Considering this is just to cache bust browsers, an accidental UUID collision over time shouldn't be a worry IMHO.

edit: the downside of a collision-resistant unique fingerprint is that it would still cache bust if contents of published packages are identical, ideally it wouldn't in that case.

[sgore-godaddy]

Ok this makes sense, Thanks for the review.

I have refactored the changes to generate a single ID when needed by combining individual IDs.
I could also re-instate the previous test with only a small modifications which guarantees new changes are not going to break the existing logic. I have also simplified the new test as now we know based on the contents what is the exact fingerprint it will be generating.