Arguments to generate_grpc_code are inconsistent with tonic and prost

[tiziano88]

oak/oak_grpc_utils/src/lib.rs

Lines 48 to 52 in d2788f6

	pub fn generate_grpc_code(
	proto_path: &str,
	file_paths: &[&str],
	options: CodegenOptions,
	) -> std::io::Result<()> {

https://docs.rs/prost-build/latest/prost_build/struct.Config.html#method.compile_protos:

pub fn compile_protos(
    &mut self,
    protos: &[impl AsRef<Path>],
    includes: &[impl AsRef<Path>]
) -> Result<()>

https://docs.rs/tonic-build/0.10.2/tonic_build/struct.Builder.html#method.compile:

pub fn compile(
    self,
    protos: &[impl AsRef<Path>],
    includes: &[impl AsRef<Path>]
) -> Result<()>