Bump idna

Bumps [idna](https://github.com/kjd/idna) from 3.10 to 3.15.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.md)
- [Commits](kjd/idna@v3.10...v3.15)

---
updated-dependencies:
- dependency-name: idna
  dependency-version: '3.15'
  dependency-type: direct:production
...

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Author: dependabot[bot]

test/Microsoft.ComponentDetection.VerificationTests/resources/pip/roots/requirements.txt

@@ -29,7 +29,7 @@ gitdb==4.0.11
     # via gitpython
 gitpython==3.1.42
     # via -r requirements.in
-idna==3.10
+idna==3.15
     # via requests
 isodate==0.6.1
     # via msrest