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: I89744897e2829000688b4f34752e326bc6180236
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/meson.build b/meson.build
index f39b76c..ca276f6 100644
--- a/meson.build
+++ b/meson.build
@@ -4,11 +4,11 @@
     version: '1.0',
     default_options: [
         'buildtype=debugoptimized',
-        'cpp_std=c++20',
+        'cpp_std=c++23',
         'warning_level=3',
         'werror=true',
     ],
-    meson_version: '>=0.58.0',
+    meson_version: '>=1.1.1',
 )
 
 cpp = meson.get_compiler('cpp')