xapian: 1.4.21 -> 1.4.22 (#239016)

Also updates
xapian-omega: 1.4.21 -> 1.4.22
python3Packages.xapian: 1.4.21 -> 1.4.22
as these inherit xapian's version.

pkgs/development/libraries/xapian/default.nix

···
   # Don't forget to change the hashes in xapian-omega and
   # python3Packages.xapian. They inherit the version from this package, and
   # should always be built with the equivalent xapian version.
-  xapian_1_4 = generic "1.4.21" "sha256-gPhgNNL7VZAHlUgd+uaBv6oQ776BirrTYizcDFXgb4g=";
+  xapian_1_4 = generic "1.4.22" "sha256-BYhK8AsGcCzkhgV9YqO/vmYGz5Za2g9epXCzKKL6Hqg=";
 }

pkgs/development/libraries/xapian/tools/omega/default.nix

···
 
   src = fetchurl {
     url = "https://oligarchy.co.uk/xapian/${version}/xapian-omega-${version}.tar.xz";
-    hash = "sha256-iKETxVmPyVgz4SEscL5GOrudVgFWTSG4YWNvc3lVqtU=";
+    hash = "sha256-Z0yXn7kPH0mQ64qQntq4jKSgCUF9/Vqwy6GeAsepVSg=";
   };
 
   buildInputs = [ xapian perl pcre2 zlib libmagic ];

pkgs/development/python-modules/xapian/default.nix

···
 
   src = fetchurl {
     url = "https://oligarchy.co.uk/xapian/${version}/xapian-bindings-${version}.tar.xz";
-    hash = "sha256-578eSYK5H4QSidGSFAIdiDccoqbHME31kEnX2ni4PO0=";
+    hash = "sha256-a1RUgzrFKj4ywLs6cpClorUEiNiRjypFJpVX5N6aMeU=";
   };
 
   configureFlags = [