Update default.xml

Bump swift-certificates and swift-asn1 dependencies.

Author: compnerd

default.xml

@@ -11,8 +11,8 @@
   <project remote="github" name="apple/sourcekit-lsp" path="sourcekit-lsp" />
   <project remote="github" name="apple/swift" path="swift" />
   <project remote="github" name="apple/swift-argument-parser" path="swift-argument-parser" revision="refs/tags/1.2.2" />
-  <project remote="github" name="apple/swift-asn1" path="swift-asn1" revision="refs/tags/0.7.0" />
-  <project remote="github" name="apple/swift-certificates" path="swift-certificates" revision="refs/tags/0.4.1" />
+  <project remote="github" name="apple/swift-asn1" path="swift-asn1" revision="refs/tags/0.8.0" />
+  <project remote="github" name="apple/swift-certificates" path="swift-certificates" revision="refs/tags/0.6.0" />
   <project remote="github" name="apple/swift-cmark" path="cmark" revision="gfm" />
   <project remote="github" name="apple/swift-collections" path="swift-collections" revision="refs/tags/1.0.4" />
   <project remote="github" name="apple/swift-corelibs-libdispatch" path="swift-corelibs-libdispatch" />