Update llvm-x86_64-pc-windows-gnu.yml

Author: DevCheckOG

.github/workflows/llvm-x86_64-pc-windows-gnu.yml

@@ -30,6 +30,9 @@ jobs:
           apt-get update
           apt-get install -y build-essential cmake ninja-build python3 wget libz-dev binutils xz-utils gcc g++
 
+          apt-get purge --assume-yes g++-mingw-w64-x86-64 gfortran-mingw-w64-x86-64
+          apt-get install --assume-yes g++-mingw-w64-x86-64 gfortran-mingw-w64-x86-64
+
           apt-get remove -y llvm-16* clang-16* || true
           rm -rf /usr/lib/llvm-16