ci: Fix Windows build output path for Flutter 3.x

Flutter 3.x outputs Windows builds to build/windows/x64/runner/Release
instead of build/windows/runner/Release.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: cfsmp3

.github/workflows/create_artifacts.yml

@@ -48,15 +48,15 @@ jobs:
         Copy-Item (vswhere -latest -find 'VC\Redist\MSVC\*\x64\*\msvcp140.dll') .
         Copy-Item (vswhere -latest -find 'VC\Redist\MSVC\*\x64\*\vcruntime140.dll') .
         Copy-Item (vswhere -latest -find 'VC\Redist\MSVC\*\x64\*\vcruntime140_1.dll') .
-      working-directory: ./build/windows/runner/Release
+      working-directory: ./build/windows/x64/runner/Release
     - name: Create artifact
       uses: actions/upload-artifact@v4
       with:
         name: CCExtractor Flutter GUI Windows
         path: |
-          ./build/windows/runner/Release/*.exe
-          ./build/windows/runner/Release/*.dll
-          ./build/windows/runner/Release/data
+          ./build/windows/x64/runner/Release/*.exe
+          ./build/windows/x64/runner/Release/*.dll
+          ./build/windows/x64/runner/Release/data
 
   build_linux:
       needs: flutter_test

.github/workflows/create_releases.yml

@@ -23,11 +23,11 @@ jobs:
         Copy-Item (vswhere -latest -find 'VC\Redist\MSVC\*\x64\*\msvcp140.dll') .
         Copy-Item (vswhere -latest -find 'VC\Redist\MSVC\*\x64\*\vcruntime140.dll') .
         Copy-Item (vswhere -latest -find 'VC\Redist\MSVC\*\x64\*\vcruntime140_1.dll') .
-      working-directory: ./build/windows/runner/Release
+      working-directory: ./build/windows/x64/runner/Release
     - name: Create zip
       uses: papeloto/action-zip@v1
       with:
-        files: ./build/windows/runner/Release/
+        files: ./build/windows/x64/runner/Release/
         dest: ./windows.zip
     - name: Upload as asset
       uses: AButler/upload-release-assets@v2.0