Add mavenCentral and remove moquidemo release

Author: acetousk

.github/workflows/moquidemo-release.yml

@@ -35,6 +35,7 @@ allprojects {
         jvmArgs '-Djava.awt.headless=true'
     }
     repositories {
+        mavenCentral()
         maven { url = "https://jitpack.io" }
     }
 }