Version defines for Emscripten 5.0.0 gives 4.0.24

Version defines for Emscripten 5.0.0 gives 4.0.24:
`__EMSCRIPTEN_major__` == 4, should be 5
`__EMSCRIPTEN_minor__` == 0
`__EMSCRIPTEN_tiny__` == 24, should be 0

**Version of emscripten/emsdk:**
```
emcc (Emscripten gcc/clang-like replacement + linker emulating GNU ld) 5.0.0 (a7c5deabd7c88ba1c38ebe988112256775f944c6)
clang version 23.0.0git (https:/github.com/llvm/llvm-project 358db292cc6a9a8a5448a296f643312289f328d7)
Target: wasm32-unknown-emscripten
Thread model: posix
InstalledDir: C:\bin\emsdk\upstream\bin
```

**Failing command line in full:**
No fail

**Full link command and output with `-v` appended:**
Any emcc call.

```cpp
#define STRINGIZE(_x) STRINGIZE_(_x)
#define STRINGIZE_(_x) #_x
...
printf("built with Emscripten "
STRINGIZE(__EMSCRIPTEN_major__) "." STRINGIZE(__EMSCRIPTEN_minor__) "." STRINGIZE(__EMSCRIPTEN_tiny__)
" at " __DATE__ "\n");
```
gives:
```
built with Emscripten 4.0.24 at Feb 7 2026
```