Excavator: Update open-source publishing plugins (#398)

Author: svc-excavator-bot

build.gradle

@@ -10,7 +10,7 @@ buildscript {
         classpath 'com.palantir.gradle.jdkslatest:gradle-jdks-latest:0.26.0'
         classpath 'com.palantir.gradle.plugintesting:gradle-plugin-testing:0.51.0'
         classpath 'com.palantir.jakartapackagealignment:jakarta-package-alignment:0.6.0'
-        classpath 'com.palantir.gradle.externalpublish:gradle-external-publish-plugin:1.31.0'
+        classpath 'com.palantir.gradle.externalpublish:gradle-external-publish-plugin:1.32.0'
         classpath 'com.palantir.gradle.failure-reports:gradle-failure-reports:1.18.0'
         classpath 'com.palantir.javaformat:gradle-palantir-java-format:2.86.0'
         classpath 'com.palantir.suppressible-error-prone:gradle-suppressible-error-prone:2.28.0'