chore(deps): bump gymnasium from 1.2.2 to 1.2.3

Bumps [gymnasium](https://github.com/Farama-Foundation/Gymnasium) from 1.2.2 to 1.2.3.
- [Release notes](https://github.com/Farama-Foundation/Gymnasium/releases)
- [Commits](https://github.com/Farama-Foundation/Gymnasium/compare/v1.2.2...v1.2.3)

---
updated-dependencies:
- dependency-name: gymnasium
  dependency-version: 1.2.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements-freqai-rl.txt

@@ -3,7 +3,7 @@
 
 # Required for freqai-rl
 torch==2.9.1; sys_platform != 'darwin' or platform_machine != 'x86_64'
-gymnasium==1.2.2
+gymnasium==1.2.3
 # SB3 >=2.5.0 depends on torch 2.3.0 - which implies it dropped support x86 macos
 stable_baselines3==2.7.1; sys_platform != 'darwin' or platform_machine != 'x86_64'
 sb3_contrib>=2.2.1; sys_platform != 'darwin' or platform_machine != 'x86_64'