Merge pull request #6694 from erg/linux-build-ninja

Author: swift-ci

utils/build-presets.ini

@@ -721,6 +721,7 @@ lit-args=-v
 
 dash-dash
 
+build-ninja
 install-foundation
 install-libdispatch
 reconfigure
@@ -1457,4 +1458,4 @@ dash-dash
 
 swift-stdlib-build-type=RelWithDebInfo
 swift-stdlib-enable-assertions=true
-build-serialized-stdlib-unittest
+build-serialized-stdlib-unittest