Add plugin portal as repository and update versions of things

Author: labkey-susanh

labkey-api-sas/build.gradle

@@ -6,6 +6,7 @@ import org.labkey.gradle.plugin.extension.TeamCityExtension
 buildscript {
     repositories {
         mavenCentral()
+        gradlePluginPortal()
         maven {
             url "${artifactory_contextUrl}/plugins-release-no-mc"
         }

labkey-api-sas/gradle.properties

@@ -3,6 +3,6 @@
 # in the context URL or you will get a 500 error from artifactory.)
 artifactory_contextUrl=https://artifactory.labkey.com/artifactory
 
-artifactoryPluginVersion=4.13.0
-gradlePluginsVersion=1.12.0
-labkeyClientApiVersion=1.2.0
+artifactoryPluginVersion=4.21.0
+gradlePluginsVersion=1.32.2
+labkeyClientApiVersion=1.4.0