Bump idna from 3.10 to 3.15 in /PythonRpcServer

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
...

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

Author: dependabot[bot]

PythonRpcServer/requirements.txt

@@ -8,7 +8,7 @@ decorator==5.2.1
 ffmpy==0.3.1
 grpcio
 grpcio-tools
-idna==3.10
+idna==3.15
 KalturaApiClient==19.3.0
 lxml==5.1.0
 parso==0.8.3