chore: Bump version to 1.5.0 and update dependencies

- Updated langflow version to 1.5.0 in pyproject.toml, package.json, and package-lock.json.
- Updated langflow-base dependency to version 0.5.0.
- Added platform markers for several dependencies in uv.lock to improve compatibility across different systems.

uv.lock

@@ -4820,7 +4820,7 @@ wheels = [
 
 [[package]]
 name = "langflow"
-version = "1.4.3"
+version = "1.5.0"
 source = { editable = "." }
 dependencies = [
     { name = "ag2" },
@@ -5191,7 +5191,7 @@ dev = [
 
 [[package]]
 name = "langflow-base"
-version = "0.4.3"
+version = "0.5.0"
 source = { editable = "src/backend/base" }
 dependencies = [
     { name = "aiofile" },