Bump ext/flecs from 2bcb38a to 70f70c0 (#189)

* Bump ext/flecs from `2bcb38a` to `70f70c0`

Bumps [ext/flecs](https://github.com/SanderMertens/flecs) from `2bcb38a` to `70f70c0`.
- [Release notes](https://github.com/SanderMertens/flecs/releases)
- [Commits](SanderMertens/flecs@2bcb38a...70f70c0)

---
updated-dependencies:
- dependency-name: ext/flecs
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update C# bindings

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: lithiumtoast <519592+lithiumtoast@users.noreply.github.com>

src/cs/production/Flecs/Generated/AssemblyAttributes.gen.cs

@@ -1,6 +1,6 @@
 // To disable generating this file set `isEnabledGenerateAssemblyAttributes` to `false` in the config file for generating C# code.
 // <auto-generated>
-//  This code was generated by the following tool on 2023-07-11 18:41:52 GMT-04:00:
+//  This code was generated by the following tool on 2023-07-11 22:52:46 GMT+00:00:
 //      https://github.com/bottlenoselabs/c2cs (v6.0.3.0)
 //
 //  Changes to this file may cause incorrect behavior and will be lost if the code is regenerated.

src/cs/production/Flecs/Generated/Runtime.gen.cs

@@ -1,6 +1,6 @@
 // To disable generating this file set `isEnabledGeneratingRuntimeCode` to `false` in the config file for generating C# code.
 // <auto-generated>
-//  This code was generated by the following tool on 2023-07-11 18:41:52 GMT-04:00:
+//  This code was generated by the following tool on 2023-07-11 22:52:46 GMT+00:00:
 //      https://github.com/bottlenoselabs/c2cs (v6.0.3.0)
 //
 //  Changes to this file may cause incorrect behavior and will be lost if the code is regenerated.