chore(python): bump Fable.Python to 5.1.0 (#4571)

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Author: 5 people

tests/Python/Fable.Tests.Python.fsproj

@@ -17,7 +17,7 @@
     </PackageReference>
     <PackageReference Include="FSharp.UMX" Version="1.1.0" />
     <PackageReference Include="Thoth.Json.Python" Version="0.5.1" />
-    <PackageReference Include="Fable.Python" Version="4.24.0" />
+    <PackageReference Include="Fable.Python" Version="5.1.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="../../src/Fable.Core/Fable.Core.fsproj" />