Excavator: Update open-source publishing plugins

Author: svc-excavator-bot

build.gradle

@@ -7,10 +7,10 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.gradle.publish:plugin-publish-plugin:1.2.1'
+        classpath 'com.gradle.publish:plugin-publish-plugin:1.2.2'
         classpath 'com.palantir.baseline:gradle-baseline-java:5.61.0'
         classpath 'com.palantir.gradle.consistentversions:gradle-consistent-versions:2.23.0'
-        classpath 'com.palantir.gradle.externalpublish:gradle-external-publish-plugin:1.15.0'
+        classpath 'com.palantir.gradle.externalpublish:gradle-external-publish-plugin:1.17.0'
         classpath 'com.palantir.gradle.gitversion:gradle-git-version:3.1.0'
         classpath 'com.palantir.jakartapackagealignment:jakarta-package-alignment:0.6.0'
         classpath 'com.palantir.javaformat:gradle-palantir-java-format:2.32.0'