Fix Sonarcloud workflow

Author: ComputerDaddyGuy

.github/workflows/sonarcloud.yml

@@ -45,6 +45,6 @@ jobs:
       env:
         SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
       run: mvn -B verify org.sonarsource.scanner.maven:sonar-maven-plugin:sonar \
-        -Dsonar.host.url=https://sonarcloud.io \
+        -Dsonar.host.url="https://sonarcloud.io" \
         -Dsonar.organization=computerdaddyguy \
         -Dsonar.projectKey=ComputerDaddyGuy_JFileTreePrettyPrinter