Correct link to egghead course on making contributions in github

[finnshort]

The link to the egghead course "How to Contribute to an Open Source Project on GitHub" gives a 404 error.

This PR replaces it with the current link ('courses' instead of 'series').

[github-actions]

Thank you!

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⏱️ Updated at 2026-02-05 19:41:41 +0000

[brownsarahm]

Thanks @finnshort !

[finnshort]

Thanks @brownsarahm! I didn't see anything in the 'contributing.md' about merging and deploying- once approved do I go ahead and merge? Does someone else deploy (or does it happen automatically through github pages)?

[brownsarahm]

You shouldn't have permission to merge? I was just waiting for the checks to run in case there was a typo my eyes missed that broke something, but it looks good now and ill merge.

[finnshort]

Oh yes that makes sense. Okay thanks!