Update various toolchains for 4.6

- Fedora 43
- SCons 4.10.1
- MinGW 13.0.0 with GCC 15.2.1 and binutils 2.45
- Emscripten 4.0.20
- Xcode 26.1.1

build.sh

@@ -58,8 +58,8 @@ podman_build windows
 podman_build web
 podman_build android
 
-XCODE_SDK=26.0.1
-APPLE_SDKV=26.0
+XCODE_SDK=26.1.1
+APPLE_SDKV=26.1
 if [ ! -e "${files_root}"/MacOSX${APPLE_SDKV}.sdk.tar.xz ] || [ ! -e "${files_root}"/Xcode-Developer${XCODE_SDK}.tar.xz ]; then
   if [ ! -r "${files_root}"/Xcode_${XCODE_SDK}.xip ]; then
     echo