build: upgrade to C++23

Meson 1.1.1 and GCC-13 both support C++23 and a sufficient portion of
the standard has been implemented.  Upgrade the build to leverage it.

Change-Id: I1637b75eb4f6dc4790026eec3418a99c465b08b3
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/meson.build b/meson.build
index 46d292f..faba720 100644
--- a/meson.build
+++ b/meson.build
@@ -5,11 +5,11 @@
      default_options: [
        'warning_level=3',
        'werror=true',
-       'cpp_std=c++20',
+       'cpp_std=c++23',
        'buildtype=debugoptimized'
      ],
      version: '1.0',
-     meson_version: '>=0.58.1',
+     meson_version: '>=1.1.1',
 )
 
 add_global_arguments('-Wno-psabi', '-Wno-ignored-attributes', language : ['c', 'cpp'])