ci: fix timeout format (5m not milliseconds)

Author: Nucs

.github/workflows/build-and-release.yml

@@ -55,7 +55,7 @@ jobs:
         dotnet run --project test/NumSharp.UnitTest/NumSharp.UnitTest.csproj \
           --configuration Release --no-build --framework net10.0 \
           -- --treenode-filter '/*/*/*/*[Category!=OpenBugs]&/*/*/*/*[Category!=HighMemory]' \
-          --report-trx --output Detailed --timeout 300000
+          --report-trx --output Detailed --timeout 5m
 
     - name: Upload Test Results
       uses: actions/upload-artifact@v4