chore: allow for swift-syntax of 603.0.0#150

bok- merged 2 commits intounsignedapps:mainunsignedapps/Vexil:mainfrom

Brett-Best:chore/swift-syntax-603.0.0-supportBrett-Best/Vexil:chore/swift-syntax-603.0.0-supportCopy head branch name to clipboard