match template workflow changes

[jukent]

ProjectPythia/cookbook-gallery#96 (comment)

[github-actions]

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[jukent]

Binder link error:

( README: line 5) broken https://binder-staging.2i2c.cloud/v2/gh/ProjectPythiaCookbooks/packaging-cookbook/main?labpath=notebooks - 500 Server Error: Internal Server Error for url: https://binder-staging.2i2c.cloud/v2/gh/ProjectPythiaCookbooks/packaging-cookbook/main?labpath=notebooks

Nightly build is failing and Binder link doesn't work on main, so i think this test failure isn't because of introduced errors in this PR.

[brian-rose]

Binder link error:

( README: line 5) broken https://binder-staging.2i2c.cloud/v2/gh/ProjectPythiaCookbooks/packaging-cookbook/main?labpath=notebooks - 500 Server Error: Internal Server Error for url: https://binder-staging.2i2c.cloud/v2/gh/ProjectPythiaCookbooks/packaging-cookbook/main?labpath=notebooks

Nightly build is failing and Binder link doesn't work on main, so i think this test failure isn't because of introduced errors in this PR.

Yeah, looks like this one never got fixed in ProjectPythia/cookbook-gallery#85.

We need to make sure the binder link the README is consistent with the one in the _config file. We don't have any automation for that (yet).