Fix the manifest check

[gesellix]

This is a follow-up to #120

• The manifest now contains entries with "unknown" architecture. The entries aren't relevant to our check on existence of expected "linux" and "windows" entries, so we're simply ignoring "unknown" architectures.
• The diff has been fixed to use our input from stdin instead of trying to read any files.

[mdelapenya]

LGTM, thanks!

[mdelapenya]

Mmmm failing again: https://github.com/testcontainers/moby-ryuk/actions/runs/9222172622/job/25373416643

@gesellix could you please take a look?

[gesellix]

Yes, will do!

[gesellix]

Oops - my bad: I only fixed the publish workflow, but not the build workflow. I'll create another pull request to fix the build workflow, too. Sorry.

[gesellix]

I'll certainly extract a shared action so that the workflows become easier to maintain. This one and #131 are the best examples to have better abstractions and keeping code DRY 😅

[mdelapenya]

thank you @gesellix! Now the incremental docker images are live https://hub.docker.com/r/testcontainers/ryuk/tags, so we can test them before any release.

Thank you for your hard work!

[gesellix]

That's great! Thanks! 🎉
I"ll continue with the other repositories, stay tuned :)