Update pyzmq requirement from ==27.2.* to ==27.3.* in /docker/main

Updates the requirements on [pyzmq](https://github.com/zeromq/pyzmq) to permit the latest version.
- [Release notes](https://github.com/zeromq/pyzmq/releases)
- [Commits](https://github.com/zeromq/pyzmq/compare/v27.2.0...v27.3.0)

---
updated-dependencies:
- dependency-name: pyzmq
  dependency-version: 27.3.0
  dependency-type: direct:production
...

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

docker/main/requirements-wheels.txt

@@ -26,7 +26,7 @@ psutil == 7.2.*
 pydantic == 2.14.*
 git+https://github.com/fbcotter/py3nvml#egg=py3nvml
 tzdata == 2026.6
-pyzmq == 27.2.*
+pyzmq == 27.3.*
 ruamel.yaml == 0.19.*
 tzlocal == 5.4.5
 requests == 2.34.*