chore: update versions and fix license

pyproject.toml

 [tool.poetry]
 name = "semantic-router"
-version = "0.0.49"
+version = "0.0.50"
 description = "Super fast semantic router for AI decision making"
 authors = [
     "James Briggs <james@aurelio.ai>",
@@ -14,9 +14,7 @@ authors = [
 ]
 readme = "README.md"
 packages = [{include = "semantic_router"}]
-
-[project]
-license = {file = "LICENSE"}
+license = "MIT"
 
 [tool.poetry.dependencies]
 python = ">=3.9,<3.13"

semantic_router/__init__.py

@@ -4,4 +4,4 @@ from semantic_router.route import Route
 
 __all__ = ["RouteLayer", "HybridRouteLayer", "Route", "LayerConfig"]
 
-__version__ = "0.0.46"
+__version__ = "0.0.50"