Update default.xml

Update default branches for ds2 and swift-win32

Author: compnerd

default.xml

@@ -47,9 +47,9 @@
  <project remote="github" name="swiftlang/swift-tools-support-core" path="swift-tools-support-core" />
  <project remote="github" name="apple/swift-xcode-playground-support" path="swift-xcode-playground-support" groups="notdefault" />
 
- <project remote="github" name="compnerd/ds2" path="ds2" />
+ <project remote="github" name="compnerd/ds2" path="ds2" revision="main" />
  <project remote="github" name="compnerd/swift-build" path="gha-ci" />
- <project remote="github" name="compnerd/swift-win32" path="swift-win32" />
+ <project remote="github" name="compnerd/swift-win32" path="swift-win32" revision="main" />
 
  <project remote="github" name="curl/curl" path="curl" revision="refs/tags/curl-8_9_1" />