Adds modify_environment_parameter to curriculums#2696

jtigue-bdai wants to merge 2 commits intoisaac-sim:mainisaac-sim/IsaacLab:mainfrom

jtigue-bdai:jat/feat/curriculum_env_modifierjtigue-bdai/IsaacLab:jat/feat/curriculum_env_modifierCopy head branch name to clipboard