Sets robomimic version to v0.4.0 (#2814)

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This MR fixes compatibility issues with robomimic by setting its
installation version to v0.4.0.

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Author: masoudmoghani

source/isaaclab_mimic/setup.py

@@ -29,7 +29,7 @@
 
 # Check if the platform is Linux and add the dependency
 if platform.system() == "Linux":
-    EXTRAS_REQUIRE["robomimic"].append("robomimic@git+https://github.com/ARISE-Initiative/robomimic.git")
+    EXTRAS_REQUIRE["robomimic"].append("robomimic@git+https://github.com/ARISE-Initiative/robomimic.git@v0.4.0")
 
 # Cumulation of all extra-requires
 EXTRAS_REQUIRE["all"] = list(itertools.chain.from_iterable(EXTRAS_REQUIRE.values()))