fix netpyne version in spack.yaml

spack.yaml

@@ -34,7 +34,7 @@ spack:
     - py-libsonata@0.1.22
     - py-neo@0.12.0
     - py-nestml@5.2.0
-    - py-netpyne@1.0.4.1
+    - py-netpyne@1.0.4.2
     - py-neurom@3.2.2
     - py-neuror@1.4.2
     - py-pdb2pqr@3.5.2