Excavator: Add the gradle-idea-configuration plugin to the build (#1344)

Author: svc-excavator-bot

build.gradle

@@ -12,7 +12,7 @@ buildscript {
         classpath 'com.palantir.gradle.externalpublish:gradle-external-publish-plugin:1.19.0'
         classpath 'com.palantir.gradle.failure-reports:gradle-failure-reports:1.14.0'
         classpath 'com.palantir.gradle.gitversion:gradle-git-version:4.0.0'
-        classpath 'com.palantir.gradle.idea-configuration:gradle-idea-configuration:0.4.0'
+        classpath 'com.palantir.gradle.idea-configuration:gradle-idea-configuration:0.5.0'
         classpath 'com.palantir.gradle.jdks:gradle-jdks:0.67.0'
         classpath 'com.palantir.gradle.jdkslatest:gradle-jdks-latest:0.18.0'
         classpath 'com.palantir.gradle.plugintesting:gradle-plugin-testing:0.6.0'