Update ci.yml

Author: compnerd

.github/workflows/ci.yml

@@ -140,7 +140,9 @@ jobs:
           echo "C:\Library\graphviz-development\usr\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
 
       - name: Build and Test
-        run: swift build -v -c release -Xlinker -LC:\Library\graphviz-development\usr\lib -Xcc -DLIBXML_STATIC -Xcc -IC:\Library\libxml2-development\usr\include -Xcc -IC:\Library\libxml2-development\usr\include\libxml2 -Xlinker -LC:\Library\libxml2-development\usr\lib -Xcc -IC:\Library\Developer\Toolchains\unknown-Asserts-development.xctoolchain\usr\include -Xlinker -LC:\Library\Developer\Toolchains\unknown-Asserts-development.xctoolchain\usr\lib
+        run: |
+          swift package clean
+          swift build -v -c release -Xlinker -LC:\Library\graphviz-development\usr\lib -Xcc -DLIBXML_STATIC -Xcc -IC:\Library\libxml2-development\usr\include -Xcc -IC:\Library\libxml2-development\usr\include\libxml2 -Xlinker -LC:\Library\libxml2-development\usr\lib -Xcc -IC:\Library\Developer\Toolchains\unknown-Asserts-development.xctoolchain\usr\include -Xlinker -LC:\Library\Developer\Toolchains\unknown-Asserts-development.xctoolchain\usr\lib
 
   validate-assets:
     runs-on: ubuntu-latest