Changes Mux.jl compat to v0.7.1

Author: ferrolho

Project.toml

@@ -24,7 +24,7 @@ Interpolations = "0.9, 0.10, 0.11, 0.12, 0.13"
 LoopThrottle = "0.1"
 MechanismGeometries = "0.7"
 MeshCat = "0.13, 0.14"
-Mux = "0.7"
+Mux = "0.7.1"
 NBInclude = "1, 2"
 OrderedCollections = "1"
 RigidBodyDynamics = "2"