ubuntu-win64-cross: Bump mxe/build-win64-mxe

Author: mborgerson

ubuntu-win64-cross/Dockerfile

@@ -6,10 +6,10 @@ FROM ubuntu:24.04
 
 ENV MXE_PATH=/opt/mxe
 ENV MXE_REPO=https://github.com/mxe/mxe.git
-ENV MXE_VERSION=7f054f14930d109412d2d61d019c12fa80816b8c
+ENV MXE_VERSION=866492387740cc6580ef516c8a746402be645453
 
 ENV MXE_LLVM_MINGW_REPO=https://github.com/libvips/build-win64-mxe
-ENV MXE_LLVM_MINGW_VERSION=8a4e0ab8a3b574287378459356f6bdaecc727de2
+ENV MXE_LLVM_MINGW_VERSION=32a2d0ecdfd3ea16bb4a99e333a8d5a3d63be491
 ENV MXE_LLVM_MINGW_PATH=/opt/build-win64-mxe
 
 ARG PLUGIN_DIRS="${MXE_LLVM_MINGW_PATH} ${MXE_LLVM_MINGW_PATH}/build/plugins/llvm-mingw"