[ENH] Rust mypy stubs for precommit (#3564)

## Description of changes

*Summarize the changes made by this PR.*
 - Improvements & Bug fixes
   - Adds the pyi file and gives it to mypy
 - New functionality
   - None

## Test plan
*How are these changes tested?*
- [x] Tests pass locally with `pytest` for python, `yarn test` for js,
`cargo test` for rust

## Documentation Changes
None

---------

Co-authored-by: Max Isom <[email protected]>

chromadb/api/rust.py

@@ -74,8 +74,7 @@ def get_tenant(self, name: str) -> Tenant:
 
     @override
     def heartbeat(self) -> int:
-        # TODO(hammadb): the precommit hooks don't know about the .pyi file
-        return self.bindings.heartbeat()  # type: ignore
+        return self.bindings.heartbeat()
 
     @override
     def count_collections(

pyproject.toml

@@ -57,6 +57,7 @@ asyncio_mode = "auto"
 
 [tool.mypy]
 ignore_errors = false
+mypy_path = "rust/python_bindings"
 
 [[tool.mypy.overrides]]
 module = ["chromadb.proto.*"]