Excavator: Upgrades Baseline to the latest version (#384)

Author: svc-excavator-bot

build.gradle

@@ -15,7 +15,7 @@ buildscript {
         classpath 'com.palantir.javaformat:gradle-palantir-java-format:2.85.0'
         classpath 'com.palantir.suppressible-error-prone:gradle-suppressible-error-prone:2.26.0'
         classpath 'com.palantir.gradle.consistentversions:gradle-consistent-versions:3.8.0'
-        classpath 'com.palantir.baseline:gradle-baseline-java:6.89.0'
+        classpath 'com.palantir.baseline:gradle-baseline-java:6.90.0'
         classpath 'com.palantir.gradle.gitversion:gradle-git-version:4.2.0'
         classpath 'com.palantir.gradle.guide:gradle-guide:1.27.0'
         classpath 'com.palantir.gradle.idea-configuration:gradle-idea-configuration:0.8.0'