Bump idna from 3.6 to 3.7 in /examples/fastapi-background-tasks/app (#436)

Bumps [idna](https://github.com/kjd/idna) from 3.6 to 3.7.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.rst)
- [Commits](kjd/idna@v3.6...v3.7)

---
updated-dependencies:
- dependency-name: idna
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

examples/fastapi-background-tasks/app/requirements.txt

@@ -6,7 +6,7 @@ click==8.1.7
 exceptiongroup==1.2.0
 fastapi==0.109.2
 h11==0.14.0
-idna==3.6
+idna==3.7
 pydantic==2.6.1
 pydantic_core==2.16.2
 requests==2.31.0