Add recipe for r-mockthat

[mlondschien]

Checklist

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[conda-forge-webservices]

Hi! This is the friendly automated conda-forge-linting service.

I wanted to let you know that I linted all conda-recipes in your PR (recipes/r-mockthat) and found some lint.

Here's what I've got...

For recipes/r-mockthat:

• The following maintainers have not yet confirmed that they are willing to be listed here: conda-forge/r. Please ask them to comment on this PR if they are.

[mlondschien]

@nbenn let me know if you'd like to be added as a maintainer

[mlondschien]

@conda-forge/r Please confirm that you'd be OK with being listed as a maintainer here.

[mfansler]

@conda-forge/r Please confirm that you'd be OK with being listed as a maintainer here.

Sounds good! Unfortunately, linter won't recognize our comments - safe to ignore linter complaint about us.

[mlondschien]

I built the recipe with https://github.com/bgruening/conda_r_skeleton_helper/. First time I'm using this. Any idea why the windows build is failing?

conda_libmamba_solver.conda_build_exceptions.ExplainedDependencyNeedsBuildingError: Unsatisfiable dependencies for platform win-64: {MatchSpec("msys2-conda-epoch==20160418"), MatchSpec("m2w64-fftw==3.3.4=6"), MatchSpec("m2w64-expat==2.1.1=2"), MatchSpec("m2w64-bwidget==1.9.10=2"), MatchSpec("m2w64-bzip2==1.0.6=6")}
Encountered problems while solving:
  - package m2-conda-epoch-20230914-0_x86_64 has constraint msys2-conda-epoch <0.0a0 conflicting with msys2-conda-epoch-20160418-1
  - package m2w64-bwidget-1.9.10-2 requires msys2-conda-epoch 20160418, but none of the providers can be installed
  - package m2w64-bzip2-1.0.6-6 requires msys2-conda-epoch 20160418, but none of the providers can be installed
  - package m2w64-expat-2.1.1-2 requires msys2-conda-epoch 20160418, but none of the providers can be installed
  - package m2w64-fftw-3.3.4-6 requires msys2-conda-epoch 20160418, but none of the providers can be installed

[mfansler]

I built the recipe with https://github.com/bgruening/conda_r_skeleton_helper/. First time I'm using this. Any idea why the windows build is failing?

conda_libmamba_solver.conda_build_exceptions.ExplainedDependencyNeedsBuildingError: Unsatisfiable dependencies for platform win-64: {MatchSpec("msys2-conda-epoch==20160418"), MatchSpec("m2w64-fftw==3.3.4=6"), MatchSpec("m2w64-expat==2.1.1=2"), MatchSpec("m2w64-bwidget==1.9.10=2"), MatchSpec("m2w64-bzip2==1.0.6=6")}
Encountered problems while solving:
  - package m2-conda-epoch-20230914-0_x86_64 has constraint msys2-conda-epoch <0.0a0 conflicting with msys2-conda-epoch-20160418-1
  - package m2w64-bwidget-1.9.10-2 requires msys2-conda-epoch 20160418, but none of the providers can be installed
  - package m2w64-bzip2-1.0.6-6 requires msys2-conda-epoch 20160418, but none of the providers can be installed
  - package m2w64-expat-2.1.1-2 requires msys2-conda-epoch 20160418, but none of the providers can be installed
  - package m2w64-fftw-3.3.4-6 requires msys2-conda-epoch 20160418, but none of the providers can be installed

Same as #25319. Still unclear what triggers this. Since this is noarch, they can just be ignored here.

[mlondschien]

Thanks @mfansler. Let's merge. @nbenn can add himself as a maintainer later.

[mfansler]

Thanks for submitting this! ❤️