[High Priority] Excavator: Upgrade buildscript dependencies (#1561)

Author: svc-excavator-bot

build.gradle

@@ -24,7 +24,7 @@ buildscript {
         classpath 'com.palantir.jakartapackagealignment:jakarta-package-alignment:0.6.0'
         classpath 'com.palantir.gradle.jdks:gradle-jdks:0.58.0'
         classpath 'com.palantir.gradle.jdkslatest:gradle-jdks-latest:0.16.0'
-        classpath 'com.palantir.gradle.plugintesting:gradle-plugin-testing:0.2.0'
+        classpath 'com.palantir.gradle.plugintesting:gradle-plugin-testing:0.4.0'
         classpath 'com.gradle.publish:plugin-publish-plugin:1.3.0'
         classpath 'com.palantir.baseline:gradle-baseline-java:6.4.0'
         classpath 'com.palantir.gradle.consistentversions:gradle-consistent-versions:2.31.0'

versions.lock

@@ -38,7 +38,7 @@ org.slf4j:slf4j-api:1.7.36 (3 constraints: 6130dd95)
 [Test dependencies]
 cglib:cglib-nodep:3.2.2 (1 constraints: 490ded24)
 com.netflix.nebula:nebula-test:10.6.1 (1 constraints: 3a053a3b)
-com.palantir.gradle.plugintesting:plugin-testing-core:0.2.0 (1 constraints: 0405f135)
+com.palantir.gradle.plugintesting:plugin-testing-core:0.4.0 (1 constraints: 0605f735)
 com.squareup.okhttp3:mockwebserver:4.12.0 (1 constraints: 3905413b)
 com.squareup.okhttp3:okhttp:4.12.0 (2 constraints: 9e14929d)
 com.squareup.okio:okio:3.6.0 (1 constraints: 530c38fd)