fix(build): syntax error in evaluated powershell

Author: doebrowsk

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

@@ -59,7 +59,7 @@ jobs:
 
             echo "release_dir: ${{ inputs.release_dir }}"
 
-            $creatingRelease = ("${{ inputs.release_url }}".Trim().Length -gt 0))
+            $creatingRelease = "${{ inputs.release_url }}".Trim().Length -gt 0
             echo "Flagged to create release: ${creatingRelease}"
             echo "CREATE_RELEASE=${creatingRelease}" | Out-File $env:GITHUB_ENV -Encoding utf8 -Append