[wpimath] Extend Eigen warning suppression to GCC 12 (#4251)

It originally only applied to GCC 11. The CMake build passed without
this change, but not the Gradle build.

wpimath/src/main/native/eigeninclude/Eigen/src/Core/util/DisableStupidWarnings.h

@@ -71,7 +71,7 @@
     // See: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89325
     #pragma GCC diagnostic ignored "-Wattributes"
   #endif
-  #if __GNUC__==11
+  #if __GNUC__>=11
     // This warning is a false positive
     #pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
   #endif