Merge branch 'stable-2.15' into stable-2.16

* stable-2.15:
  Upgrade mockito-core to 2.28.2

Change-Id: Ibffbb4e7f06207b7f0ab6cd37e26930bfc0101ec
diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
index aa72198..151b2fb 100644
--- a/external_plugin_deps.bzl
+++ b/external_plugin_deps.bzl
@@ -3,8 +3,8 @@
 def external_plugin_deps():
     maven_jar(
         name = "mockito",
-        artifact = "org.mockito:mockito-core:2.27.0",
-        sha1 = "835fc3283b481f4758b8ef464cd560c649c08b00",
+        artifact = "org.mockito:mockito-core:2.28.2",
+        sha1 = "91110215a8cb9b77a46e045ee758f77d79167cc0",
         deps = [
             "@byte-buddy//jar",
             "@objenesis//jar",