Upgrade gbmcweb C++ standard to C++23

Google-Bug-Id:482144905,549612859
PiperOrigin-RevId: 975390679
Change-Id: I3b544caef2f653dc97cbbe130d023f2a378d6bdd

meson.build

diff --git a/meson.build b/meson.build
index 8f78352..efcbcaf 100644
--- a/meson.build
+++ b/meson.build
@@ -1,13 +1,13 @@
 project('bmcweb', 'cpp',
         version : '1.0',
-        meson_version: '>=0.63.0',
+        meson_version: '>=1.1.1',
         default_options: [
             'b_lto_mode=default',
             'b_lto_threads=0',
             'b_lto=true',
             'b_ndebug=if-release',
             'buildtype=debugoptimized',
-            'cpp_std=c++20',
+            'cpp_std=c++23',
             'warning_level=3',
             'werror=true',
            ])