Bump idna from 3.6 to 3.7 in /gremlin-python/src/main/python

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
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

gremlin-python/src/main/python/examples/requirements.txt

@@ -22,7 +22,7 @@ async-timeout==4.0.3
 attrs==23.2.0
 charset-normalizer==3.3.2
 frozenlist==1.4.1
-idna==3.6
+idna==3.7
 isodate==0.6.1
 multidict==6.0.5
 six==1.16.0