Add pod5 datatype

[TomHarrop]

I'd like to add the Oxford Nanopore binary Pod5 datatype to support the dorado wrapper I'm developing over here.

That PR also includes tool that can convert fast5.tar (already supported by Galaxy) to pod5.

pod5 has a fixed signature so the sniffer just checks for that.

Thanks!

How to test the changes?

(Select all options that apply)

• I've included appropriate automated tests.
• This is a refactoring of components with existing test coverage.
• Instructions for manual testing are as follows:
  1. [add testing steps and prerequisites here if you didn't write automated tests covering all your changes]

License

• I agree to license these and all my past contributions to the core galaxy codebase under the MIT license.

[mvdbeek]

Can we make this file smaller ?

[TomHarrop]

I subset it to one read and it's still 19K.

[TomHarrop]

@bernt-matthias @mvdbeek thanks for the reviews, I've made those changes.

[TomHarrop]

I can’t tell for sure if the test failures are related to my changes. Please let me know if I need to fix something in this PR.

[nsoranzo]

I can’t tell for sure if the test failures are related to my changes. Please let me know if I need to fix something in this PR.

All test failures are unrelated to your PR, thanks!

[bgruening]

@TomHarrop you can backport datatypes to the stable release, eg. 24.1

[TomHarrop]

Thanks @bgruening I tried to cherry-pick the commits into the release_24.1 branch here.