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: I04732a67ef18c711ca80e53f0bf4828218f2b682
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/meson.build b/meson.build
index 1cb01e7..b78f5dc 100644
--- a/meson.build
+++ b/meson.build
@@ -1,10 +1,10 @@
 project('pldm', ['c', 'cpp'],
-        version: '0.1', meson_version: '>=0.58.0',
+        version: '0.1', meson_version: '>=1.1.1',
         default_options: [
           'warning_level=3',
           'default_library=shared',
           'werror=true',
-          'cpp_std=c++20',
+          'cpp_std=c++23',
           'buildtype=debugoptimized'
         ])