Throw `GitHubProjectInvalidValueError` error when text is too long for text field (1024+ bytes)

[gr2m]

Please avoid duplicates

• I checked all open bugs and none of them matched my problem.

Reproducible test case

see test/recorded/api.items.add-draft-with-too-long-text/fixtures.json

Please select the environment(s) that are relevant to your bug report

• Browsers
• Node
• Deno

Versions

5.3.0, Node v18.18.0

What happened?

follow up to #142. We introduced a workaround via #143, but the problem can still occur.

Would you be interested in contributing a fix?

• yes