[dotnet] Disable disk cache on CI

Author: p0deje

.github/workflows/ci-dotnet.yml

@@ -35,7 +35,7 @@ jobs:
     with:
       name: Browser Tests (${{ matrix.driver }}, ${{ matrix.framework }})
       browser: ${{ matrix.browser }}
-      cache-key: dotnet-${{ matrix.browser }}-${{ matrix.framework }}
+      cache-key: false
       java-version: 17
       os: windows
       run: |