Excavator: Apply Gradle Plugin Testing Helper (#1517)

Author: svc-excavator-bot

build.gradle

@@ -17,7 +17,7 @@ buildscript {
         classpath 'com.palantir.gradle.idea-language-injector:gradle-idea-language-injector:0.2.0'
         classpath 'com.palantir.gradle.jdks:gradle-jdks:0.71.0'
         classpath 'com.palantir.gradle.jdkslatest:gradle-jdks-latest:0.24.0'
-        classpath 'com.palantir.gradle.plugintesting:gradle-plugin-testing:0.46.0'
+        classpath 'com.palantir.gradle.plugintesting:gradle-plugin-testing:0.48.0'
         classpath 'com.palantir.javaformat:gradle-palantir-java-format:2.83.0'
         classpath 'com.palantir.suppressible-error-prone:gradle-suppressible-error-prone:2.26.0'
         classpath 'me.champeau.jmh:jmh-gradle-plugin:0.7.3'

versions.lock

@@ -182,13 +182,13 @@ com.palantir.gradle.jdks:gradle-jdks-setup-common:0.71.0 (3 constraints: 173b3f4
 
 com.palantir.gradle.jdkslatest:gradle-jdks-latest:0.24.0 (1 constraints: 3805333b)
 
-com.palantir.gradle.plugintesting:configuration-cache-spec:0.46.0 (1 constraints: 3c05413b)
+com.palantir.gradle.plugintesting:configuration-cache-spec:0.48.0 (1 constraints: 3e05473b)
 
-com.palantir.gradle.plugintesting:discover-tests-cli:0.46.0 (1 constraints: 3c05413b)
+com.palantir.gradle.plugintesting:discover-tests-cli:0.48.0 (1 constraints: 3e05473b)
 
-com.palantir.gradle.plugintesting:gradle-plugin-testing-junit:0.46.0 (1 constraints: 3c05413b)
+com.palantir.gradle.plugintesting:gradle-plugin-testing-junit:0.48.0 (1 constraints: 3e05473b)
 
-com.palantir.gradle.plugintesting:plugin-testing-core:0.46.0 (1 constraints: 3c05413b)
+com.palantir.gradle.plugintesting:plugin-testing-core:0.48.0 (1 constraints: 3e05473b)
 
 com.palantir.gradle.utils:environment-variables:0.21.0 (2 constraints: 142f0f67)