Release ipx 1.3.0, ipx-web 1.1.0 and ipx-directory 1.2.0

Signals (#254) in ipx and the page, and the compression and tracing
work of #239-#253 in all three.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Cargo.lock

@@ -1859,7 +1859,7 @@ checksum = "791930b43c0d5973160d90a8f3894509f2b273430f5c5c73b668636d0287c5c0"
 
 [[package]]
 name = "ipx"
-version = "1.2.1-dev"
+version = "1.3.0"
 dependencies = [
  "ammonia",
  "anyhow",
@@ -1896,7 +1896,7 @@ dependencies = [
 
 [[package]]
 name = "ipx-directory"
-version = "1.1.2-dev"
+version = "1.2.0"
 dependencies = [
  "ammonia",
  "anyhow",