Update NetCoreTests.yml

Author: bahusoid

.github/workflows/NetCoreTests.yml

@@ -54,4 +54,4 @@ jobs:
 
     - name: Build and Test
       run: |
-        pwsh -noprofile -command "& ./build.ps1 -TaskList Set-Configuration,Test -properties @{\"Database\" = \"${{matrix.DB}}\";\"ConnectionString\"=\"${{matrix.CONNECTION_STRING}}\"}"
+        pwsh -noprofile -command "& ./build.ps1 -TaskList Set-Configuration,Test -properties @{'Database' = '${{matrix.DB}}';'ConnectionString'='${{matrix.CONNECTION_STRING}}'}"