chore: update backend to v2.0.0-alpha.10

Author: MilesCranmer

pysr/juliapkg.json

@@ -4,7 +4,7 @@
         "SymbolicRegression": {
             "uuid": "8254be44-1295-4e6a-a16d-46603ac705cb",
             "url": "https://github.com/MilesCranmer/SymbolicRegression.jl",
-            "rev": "v2.0.0-alpha.9"
+            "rev": "v2.0.0-alpha.10"
         },
         "Serialization": {
             "uuid": "9e88b42a-f829-5b0c-bbe9-9e923198166b",