Rename "beginner" label to "good first issue?"

[pjcozzi]

Across all of our repos for better discoverability.

[techboy14]

alright

[ggetz]

Updated

[pjcozzi]

Did you already rename all our docs in all our repos?

[pjcozzi]

already -> also

[ggetz]

Yep, updated repos that had a beginner tag that wasn't good first issue or help wanted

[pjcozzi]

Great, but I meant the contributing guide, onramping material, etc.

[ggetz]

Updated in all our guides mentioning it 👍