chore(grammar): vendor Mojo tree-sitter parser #330

Job	Run time
security / security-static	31s
security / license-gate	2m 53s
lint / lint	4m 35s
security / codeql-gate	39m 57s
test / setup-matrix	3s
test / test-unix (macos-15-intel, cc, c++)	25m 23s
test / test-windows (windows-latest, CLANG64, x86_64)	25m 56s
test / test-unix (macos-14, cc, c++)	15m 15s
test / test-unix (ubuntu-latest, gcc, g++)	14m 30s
test / test-unix (ubuntu-24.04-arm, gcc, g++)	1h 2m 33s
ci-ok	2s
	3h 11m 38s

Provide feedback