Use sequential build

Closes gh-617

Author: jzheaux

gradle.properties

@@ -8,6 +8,5 @@ queryDslVersion = '4.0.9'
 kotlinVersion=1.5.31
 samplesBranch=6.0.x
 org.gradle.jvmargs=-Xmx3g -XX:+HeapDumpOnOutOfMemoryError
-org.gradle.parallel=true
 org.gradle.caching=true
 kotlin.stdlib.default.dependency=false