Rust

Ensure grammar tables are generated before Rust FFI build #13

Job	Run time
Rust Tests (ubuntu-latest)	8m 33s
Rust Lint	1m 6s
Rust FFI C++ Tests (windows-latest)	4m 55s
Rust Tests (macos-latest)	8m 11s
Rust Tests (windows-latest)	8m 18s
Rust FFI C++ Tests (macos-latest)	5m 14s
Rust FFI C++ Tests (ubuntu-latest)	5m 10s
	41m 27s

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