Excavator: Format Java files (#1317)

Author: svc-excavator-bot

build.gradle

@@ -16,7 +16,7 @@ buildscript {
         classpath 'com.palantir.gradle.jdks:gradle-jdks:0.67.0'
         classpath 'com.palantir.gradle.jdkslatest:gradle-jdks-latest:0.18.0'
         classpath 'com.palantir.gradle.plugintesting:gradle-plugin-testing:0.6.0'
-        classpath 'com.palantir.javaformat:gradle-palantir-java-format:2.67.0'
+        classpath 'com.palantir.javaformat:gradle-palantir-java-format:2.68.0'
         classpath 'com.palantir.gradle.revapi:gradle-revapi:1.8.0'
         classpath 'com.palantir.suppressible-error-prone:gradle-suppressible-error-prone:2.9.0'
         classpath 'gradle.plugin.org.inferred:gradle-processors:3.7.0'