libxml++@5: migrate to `python@3.11`

Closes #119738.

Signed-off-by: Patrick Linnane <patrick@linnane.io>
Signed-off-by: BrewTestBot <1589480+BrewTestBot@users.noreply.github.com>

Formula/libxml++@5.rb

@@ -24,17 +24,15 @@ class LibxmlxxAT5 < Formula
   depends_on "meson" => :build
   depends_on "ninja" => :build
   depends_on "pkg-config" => [:build, :test]
-  depends_on "python@3.10" => :build
+  depends_on "python@3.11" => :build
 
   uses_from_macos "libxml2"
 
   def install
     ENV.cxx11
-    mkdir "build" do
-      system "meson", *std_meson_args, ".."
-      system "ninja"
-      system "ninja", "install"
-    end
+    system "meson", "setup", "build", *std_meson_args
+    system "meson", "compile", "-C", "build", "--verbose"
+    system "meson", "install", "-C", "build"
   end
 
   test do