Fix wheels

Author: benjeffery

.github/workflows/wheels.yml

@@ -144,9 +144,9 @@ jobs:
         run: |
           python -VV
           # Install the local wheel
-          pip install msprime
-          pip uninstall --yes msprime
-          pip install msprime --no-index --only-binary msprime -f .
+          pip install numpy newick demes
+          pip install --no-dependencies msprime --no-index --only-binary msprime -f .
+          pip install tskit
           python -c "import msprime"
           msp simulate 10 tmp.trees
           tskit info tmp.trees