chore(deps): bump stable-baselines3 from 2.6.0 to 2.7.0

Bumps [stable-baselines3](https://github.com/DLR-RM/stable-baselines3) from 2.6.0 to 2.7.0.
- [Release notes](https://github.com/DLR-RM/stable-baselines3/releases)
- [Commits](https://github.com/DLR-RM/stable-baselines3/compare/v2.6.0...v2.7.0)

---
updated-dependencies:
- dependency-name: stable-baselines3
  dependency-version: 2.7.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements-freqai-rl.txt

@@ -5,7 +5,7 @@
 torch==2.7.1; sys_platform != 'darwin' or platform_machine != 'x86_64'
 gymnasium==0.29.1
 # SB3 >=2.5.0 depends on torch 2.3.0 - which implies it dropped support x86 macos
-stable_baselines3==2.6.0; sys_platform != 'darwin' or platform_machine != 'x86_64'
+stable_baselines3==2.7.0; sys_platform != 'darwin' or platform_machine != 'x86_64'
 sb3_contrib>=2.2.1
 # Progress bar for stable-baselines3 and sb3-contrib
 tqdm==4.67.1