Bump idna from 3.4 to 3.7 in /docker (#32)

Bumps [idna](https://github.com/kjd/idna) from 3.4 to 3.7.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.rst)
- [Commits](kjd/idna@v3.4...v3.7)

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

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

docker/requirements.txt

@@ -13,7 +13,7 @@ google-auth==2.23.2
 google-auth-oauthlib==1.0.0
 grpcio==1.59.0
 gymnasium==0.28.1
-idna==3.4
+idna==3.7
 importlib-metadata==6.6.0
 importlib-resources==6.0.0
 jax-jumpy==1.0.0