ci : download SDL2.dll and copy it to the resources directory

.github/workflows/build.yml

@@ -846,6 +846,12 @@ jobs:
         if: matrix.sdl2 == 'ON'
         run: copy "$env:SDL2_DIR/../lib/${{ matrix.arch }}/SDL2.dll" build/bin/${{ matrix.build }}
 
+      - name: Upload SDL2.dll
+        uses: actions/upload-artifact@v4
+        with:
+          name: SDL2-dll
+          path: build/bin/${{ matrix.build }}/SDL2.dll
+
       - name: Upload binaries
         uses: actions/upload-artifact@v4
         with:
@@ -1014,6 +1020,11 @@ jobs:
         with:
           name: win32-x86-64_whisper.dll
 
+      - name: Download SDL2.dll
+        uses: actions/download-artifact@v4
+        with:
+          name: SDL2-dll
+
       - name: List downloaded files
         shell: pwsh
         run: |
@@ -1033,6 +1044,9 @@ jobs:
             exit 1
           }
 
+          Copy-Item -Path "SDL2.dll" -Destination "bindings\java\build\generated\resources\main\SDL2.dll" -Force
+          Write-Host "Copied SDL2.dll to resources directory"
+
       - name: Build
         run: |
           models\download-ggml-model.cmd tiny.en