Upgrade mockito to 2.23.0

Change-Id: I3367573f7a89b4eebecd8416f5897d81c2fe82be
diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
index b5f4f2a..ff2f4ea 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:2.22.0",
-        sha1 = "73d21198eea9e20af8e55260ec131b6fea9de917",
+        artifact = "org.mockito:mockito-core:2.23.0",
+        sha1 = "497ddb32fd5d01f9dbe99a2ec790aeb931dff1b1",
         deps = [
             "@byte_buddy//jar",
             "@byte_buddy_agent//jar",
@@ -12,20 +12,19 @@
         ],
     )
 
-    BYTE_BUDDY_VER = "1.8.21"
+    BYTE_BUDDY_VERSION = "1.9.0"
 
     maven_jar(
         name = "byte_buddy",
-        artifact = "net.bytebuddy:byte-buddy:" + BYTE_BUDDY_VER,
-        sha1 = "3589ecd78aa4b1e1c1e1505d0321e93a9b73ca54",
+        artifact = "net.bytebuddy:byte-buddy:" + BYTE_BUDDY_VERSION,
+        sha1 = "8cb0d5baae526c9df46ae17693bbba302640538b",
     )
 
     maven_jar(
         name = "byte_buddy_agent",
-        artifact = "net.bytebuddy:byte-buddy-agent:" + BYTE_BUDDY_VER,
-        sha1 = "5b652c6c6645dfb27fdf96bf3f6d12b7b3818344",
+        artifact = "net.bytebuddy:byte-buddy-agent:" + BYTE_BUDDY_VERSION,
+        sha1 = "37b5703b4a6290be3fffc63ae9c6bcaaee0ff856",
     )
-
     maven_jar(
         name = "objenesis",
         artifact = "org.objenesis:objenesis:2.6",