Add current URL for Bazaar

Both the development of Bazaar and the project's URL
`https://bazaar.canonical.com` have been discontinued.

Breezy is the community maintained continuation.

Author: jugmac00

source/specifications/direct-url-data-structure.rst

@@ -188,7 +188,7 @@ Bazaar
 
 Home page
 
-   _`https://bazaar.canonical.com` *(Not responding as of 5/2023)*
+   https://www.breezy-vcs.org/
 
 vcs command