Excavator: Upgrades Baseline to the latest version

Author: svc-excavator-bot

build.gradle

@@ -28,7 +28,7 @@ buildscript {
         classpath 'com.palantir.javaformat:gradle-palantir-java-format:2.28.0'
         classpath 'com.palantir.gradle.revapi:gradle-revapi:1.7.0'
         classpath 'gradle.plugin.com.github.jengelman.gradle.plugins:shadow:7.0.0'
-        classpath 'com.palantir.baseline:gradle-baseline-java:5.1.0'
+        classpath 'com.palantir.baseline:gradle-baseline-java:5.3.0'
         classpath 'com.palantir.gradle.gitversion:gradle-git-version:3.0.0'
         classpath 'gradle.plugin.org.inferred:gradle-processors:3.7.0'
         classpath 'com.palantir.gradle.consistentversions:gradle-consistent-versions:2.12.0'