feat(lapis): hint to which regex syntax is used in Swagger docs

[fengelniederhammer]

closes #903

PR Checklist

• [x] All necessary documentation has been adapted.
• [ ] The implemented feature is covered by an appropriate test.

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Name	Status	Preview	Comments	Updated (UTC)
lapis	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Aug 22, 2024 7:24am

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This is a preview of the changelog of the next release:

0.2.11 (2024-08-22)

Features

• lapis: hint to which regex syntax is used in Swagger docs (c149fe4), closes #903