Various updates to bring the project uptodate.
- Updated required packages
- Removed runtimes that are not being updated
- wasmtime is for now the only supported runtime
- Implements imports for wasmtime runtime
- Fixes a memory access bug for wasmtime runtime
- compile_wasm is now optional - runtimes have to
implement and call this themselves
- Typing fixes
- Linting fixes
5c537f712e