Merge pull request #35613 from ahoppen/smoke-test-swiftsyntax

[build-presets] Test Swift Syntax during macOS PR smoke testing

Author: shahmishal

utils/build-presets.ini

@@ -588,13 +588,15 @@ build-ninja
 libcxx
 llbuild
 swiftpm
+swiftsyntax
 swift-driver
 indexstore-db
 sourcekit-lsp
 install-llvm
 install-swift
 install-llbuild
 install-swiftpm
+install-swiftsyntax
 install-swift-driver
 install-libcxx