Report config-cache errors as warnings (#4068)

prevent false-positive CC errors from failing the build
#4062 (comment)

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gradle.properties

@@ -16,6 +16,7 @@ org.gradle.caching=true
 org.gradle.parallel=false
 org.gradle.daemon=true
 org.gradle.configuration-cache=true
+org.gradle.configuration-cache-problems=warn
 org.gradle.configureondemand=false
 #https://github.com/gradle/gradle/issues/11308
 org.gradle.internal.publish.checksums.insecure=true