Update spring propdeps repository url

Author: breskeby

buildSrc/build.gradle

@@ -26,7 +26,7 @@ repositories {
     mavenCentral()
 
     // For resolving propdeps (provided/optional dependencies)
-    maven { url 'https://repo.spring.io/plugins-release' }
+    maven { url 'https://repo.spring.io/plugins-release-local' }
 
     // For Elasticsearch snapshots.
     if (localRepo) {