chore(deps): bump gymnasium from 0.29.1 to 1.2.1

Bumps [gymnasium](https://github.com/Farama-Foundation/Gymnasium) from 0.29.1 to 1.2.1.
- [Release notes](https://github.com/Farama-Foundation/Gymnasium/releases)
- [Commits](https://github.com/Farama-Foundation/Gymnasium/compare/v0.29.1...v1.2.1)

---
updated-dependencies:
- dependency-name: gymnasium
  dependency-version: 1.2.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

requirements-freqai-rl.txt

@@ -3,7 +3,7 @@
 
 # Required for freqai-rl
 torch==2.9.0; sys_platform != 'darwin' or platform_machine != 'x86_64'
-gymnasium==0.29.1
+gymnasium==1.2.1
 # SB3 >=2.5.0 depends on torch 2.3.0 - which implies it dropped support x86 macos
 stable_baselines3==2.7.0; sys_platform != 'darwin' or platform_machine != 'x86_64'
 sb3_contrib>=2.2.1