Upgrade to WALA 1.6.7

Author: rahlk

build.gradle

@@ -78,7 +78,7 @@ dependencies {
 
     implementation 'org.apache.logging.log4j:log4j-api:2.18.0'
     implementation 'org.apache.logging.log4j:log4j-core:2.18.0'
-    def walaVersion = '1.6.6'
+    def walaVersion = '1.6.7'
 
     compileOnly 'org.projectlombok:lombok:1.18.30'
     annotationProcessor 'org.projectlombok:lombok:1.18.30'