Excavator: Update open-source publishing plugins (#237)

Author: svc-excavator-bot

build.gradle

@@ -19,8 +19,8 @@ buildscript {
 }
 
 plugins {
-    id 'com.gradle.plugin-publish' version '0.10.1'
-    id 'com.jfrog.bintray' version '1.8.4' apply false
+    id 'com.gradle.plugin-publish' version '0.11.0'
+    id 'com.jfrog.bintray' version '1.8.5' apply false
     id 'com.palantir.baseline' version '3.9.0'
     id 'com.palantir.consistent-versions' version '1.17.0'
     id 'com.palantir.git-version' version '0.12.2'