Excavator: Upgrades Baseline to the latest version (#1330)

Author: svc-excavator-bot

build.gradle

@@ -12,7 +12,7 @@ buildscript {
         classpath 'com.palantir.gradle.externalpublish:gradle-external-publish-plugin:1.35.0'
         classpath 'com.palantir.gradle.failure-reports:gradle-failure-reports:1.18.0'
         classpath 'com.palantir.gradle.idea-configuration:gradle-idea-configuration:0.8.0'
-        classpath 'com.palantir.baseline:gradle-baseline-java:7.2.0'
+        classpath 'com.palantir.baseline:gradle-baseline-java:7.3.0'
         classpath 'com.palantir.gradle.consistentversions:gradle-consistent-versions:3.13.0'
         classpath 'com.palantir.javaformat:gradle-palantir-java-format:2.89.0'
         classpath 'com.palantir.suppressible-error-prone:gradle-suppressible-error-prone:2.31.0'