Merge pull request #71130 from ahoppen/ahoppen/build-swift-format

[builds] Build swift-format as part of `mixin_linux_installation `

Author: DougGregor

utils/build-presets.ini

@@ -810,6 +810,7 @@ swift-driver
 xctest
 libicu
 swiftdocc
+swiftformat
 
 build-ninja
 install-llvm
@@ -865,7 +866,6 @@ foundation
 libdispatch
 indexstore-db
 sourcekit-lsp
-swiftformat
 swiftdocc
 lit-args=-v --time-tests