Excavator: Apply Gradle Plugin Testing Helper (#1563)

Author: svc-excavator-bot

build.gradle

@@ -18,7 +18,7 @@ buildscript {
         classpath 'com.palantir.gradle.idea-language-injector:gradle-idea-language-injector:0.2.0'
         classpath 'com.palantir.gradle.jdks:gradle-jdks:0.73.0'
         classpath 'com.palantir.gradle.jdkslatest:gradle-jdks-latest:0.26.0'
-        classpath 'com.palantir.gradle.plugintesting:gradle-plugin-testing:0.52.0'
+        classpath 'com.palantir.gradle.plugintesting:gradle-plugin-testing:0.53.0'
         classpath 'com.palantir.javaformat:gradle-palantir-java-format:2.86.0'
         classpath 'com.palantir.suppressible-error-prone:gradle-suppressible-error-prone:2.28.0'
         classpath 'me.champeau.jmh:jmh-gradle-plugin:0.7.3'

versions.lock

@@ -182,13 +182,13 @@ com.palantir.gradle.jdks:gradle-jdks-setup-common:0.73.0 (3 constraints: 1d3b934
 
 com.palantir.gradle.jdkslatest:gradle-jdks-latest:0.26.0 (1 constraints: 3a05393b)
 
-com.palantir.gradle.plugintesting:configuration-cache-spec:0.52.0 (1 constraints: 3905393b)
+com.palantir.gradle.plugintesting:configuration-cache-spec:0.53.0 (1 constraints: 3a053c3b)
 
-com.palantir.gradle.plugintesting:discover-tests-cli:0.52.0 (1 constraints: 3905393b)
+com.palantir.gradle.plugintesting:discover-tests-cli:0.53.0 (1 constraints: 3a053c3b)
 
-com.palantir.gradle.plugintesting:gradle-plugin-testing-junit:0.52.0 (1 constraints: 3905393b)
+com.palantir.gradle.plugintesting:gradle-plugin-testing-junit:0.53.0 (1 constraints: 3a053c3b)
 
-com.palantir.gradle.plugintesting:plugin-testing-core:0.52.0 (1 constraints: 3905393b)
+com.palantir.gradle.plugintesting:plugin-testing-core:0.53.0 (1 constraints: 3a053c3b)
 
 com.palantir.gradle.utils:environment-variables:0.22.0 (2 constraints: 142f0f67)