Update pandas requirement from ==3.0.* to ==3.1.* in /docker/main

Updates the requirements on [pandas](https://github.com/pandas-dev/pandas) to permit the latest version.
- [Release notes](https://github.com/pandas-dev/pandas/releases)
- [Commits](https://github.com/pandas-dev/pandas/compare/v3.0.0.dev0...v3.1.0)

---
updated-dependencies:
- dependency-name: pandas
  dependency-version: 3.1.0
  dependency-type: direct:production
...

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

docker/main/requirements-wheels.txt

@@ -19,7 +19,7 @@ tensorflow-cpu == 2.21.* ; platform_machine == 'x86_64'
 mypy == 2.4.1
 onvif-zeep-async == 4.3.*
 paho-mqtt == 2.1.*
-pandas == 3.0.*
+pandas == 3.1.*
 peewee == 4.5.*
 peewee_migrate == 2.3.*
 psutil == 7.2.*