[ci] Add mingw 32 bit ndll build

Since both 32 bit and 64 bit are built by default, it is worth checking
that the 32 bit build succeeds as well.

Author: tobil4sk

.github/workflows/main.yml

@@ -276,9 +276,19 @@ jobs:
 
       - name: Rebuild Lime (Windows, Mingw)
         run: |
+          rm ndll/Windows/*
           rm ndll/Windows64/*
+          lime rebuild windows -Dmingw -D MINGW_ROOT=C:\mingw64 -32 -clean -release -nocolor -verbose -nocffi
           lime rebuild windows -Dmingw -D MINGW_ROOT=C:\mingw64 -64 -clean -release -nocolor -verbose -nocffi
 
+      - uses: actions/upload-artifact@v4
+        with:
+          name: Windows32-MinGW-NDLL
+          path: |
+            ndll/Windows/
+            !**/.gitignore
+          if-no-files-found: error
+
       - uses: actions/upload-artifact@v4
         with:
           name: Windows64-MinGW-NDLL