Fix ReactiveMP links in Universal Mixtures example

examples/problem_specific/Universal Mixtures.ipynb

@@ -1073,7 +1073,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "She was also interested in the results and used the new [`Mixture`](/~https://github.com/biaslab/ReactiveMP.jl/blob/master/src/nodes/mixture.jl) node and addons in `ReactiveMP.jl`. She specified her model as follows and performed inference in this model:"
+    "She was also interested in the results and used the new [`Mixture`](/~https://github.com/reactivebayes/ReactiveMP.jl/blob/master/src/nodes/mixture.jl) node and addons in `ReactiveMP.jl`. She specified her model as follows and performed inference in this model:"
    ]
   },
   {
@@ -1112,7 +1112,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "This [`Mixture`](/~https://github.com/biaslab/ReactiveMP.jl/blob/master/src/nodes/mixture.jl) node updates the belief over $c$ on the performance of the individual models of both John and Jane using so-called scale factors, as introduced in [Nguyen et al.](https://ieeexplore.ieee.org/document/9919250). The specific update rules for this node can be found [here](/~https://github.com/biaslab/ReactiveMP.jl/tree/master/src/rules/mixture)."
+    "This [`Mixture`](/~https://github.com/reactivebayes/ReactiveMP.jl/blob/master/src/nodes/mixture.jl) node updates the belief over $c$ on the performance of the individual models of both John and Jane using so-called scale factors, as introduced in [Nguyen et al.](https://ieeexplore.ieee.org/document/9919250). The specific update rules for this node can be found [here](/~https://github.com/reactivebayes/ReactiveMP.jl/tree/master/src/rules/mixture)."
    ]
   },
   {