Skip Emscripten artifact upload for Cygwin builds

Adds a condition to the workflow to prevent archiving Emscripten’s JavaScript-WebAssembly build artifacts when building for Cygwin, as Emscripten is skipped on Cygwin.

Author: mesheets

.github/workflows/nqc_ci.yml

@@ -58,6 +58,7 @@ jobs:
         name: nqc-native-${{ matrix.with_cross && 'with' || 'without' }}-cross-assembler-on-${{ matrix.os }}-${{ matrix.platform }}
         path: build/bin/
     - name: Archive JavaScript-WebAssembly build artifacts
+      if:   runner.os != 'Windows'
       uses: actions/upload-artifact@v4
       with:
         name: nqc-JS-WebAssembly-${{ matrix.with_cross && 'with' || 'without' }}-cross-assembler-on-${{ matrix.os }}-${{ matrix.platform }}