Excavator: Upgrades Baseline to the latest version (#1350)

Author: svc-excavator-bot

build.gradle

@@ -30,7 +30,7 @@ buildscript {
         classpath 'com.palantir.suppressible-error-prone:gradle-suppressible-error-prone:1.8.0'
         classpath 'com.palantir.gradle.revapi:gradle-revapi:1.8.0'
         classpath 'gradle.plugin.com.github.jengelman.gradle.plugins:shadow:7.0.0'
-        classpath 'com.palantir.baseline:gradle-baseline-java:6.8.0'
+        classpath 'com.palantir.baseline:gradle-baseline-java:6.9.0'
         classpath 'com.palantir.gradle.gitversion:gradle-git-version:3.1.0'
         classpath 'gradle.plugin.org.inferred:gradle-processors:3.7.0'
         classpath 'com.palantir.gradle.consistentversions:gradle-consistent-versions:2.31.0'