Fix typo in preset

Author: shahmishal

utils/build-presets.ini

@@ -600,4 +600,4 @@ symbols-package=%(symbols_package)s
 darwin-toolchain-bundle-identifier=%(toolchain_bundle_identifier)s
 darwin-toolchain-display-name=%(toolchain_display_name)s
 darwin-toolchain-name=%(toolchain_xctoolchain_name)s
-darwin-toolchain-version=$(toolchain_version)s
+darwin-toolchain-version=%(toolchain_version)s