CI: Bump min MuJoCo version to 2.3.5

Author: stephane-caron

tox.ini

@@ -13,7 +13,7 @@ python =
 deps =
     coverage >=5.5
     idyntree >= 8.0.0
-    mujoco >=2.2.1
+    mujoco >=2.3.5
     numpy >=1.23.4
     pin >=2.6.14
     pybullet >=3.2.5
@@ -29,7 +29,7 @@ deps =
     black >=22.10.0
     idyntree >= 8.0.0
     mccabe
-    mujoco >=2.2.1
+    mujoco >=2.3.5
     mypy
     pin >=2.6.14
     pybullet >=3.2.5
@@ -53,7 +53,7 @@ commands =
 [testenv:loader-mujoco]
 changedir = {toxinidir}/tests/loaders
 deps =
-    mujoco >=2.2.1
+    mujoco >=2.3.5
 commands =
     python -m unittest test_mujoco.py