Update JGit dependency to align with core's version

The JGit version was updated in [1]

[1] cff9c2a8d8e10a23e51619000efe6a02d8e00543

Change-Id: I232737bf9c3f248f2f6422800de5efb21437f095
diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
index 197d609..a77c620 100644
--- a/external_plugin_deps.bzl
+++ b/external_plugin_deps.bzl
@@ -125,8 +125,8 @@
     maven_jar(
         name = "jgit",
         artifact =
-            "org.eclipse.jgit:org.eclipse.jgit:5.1.13.202002110435-r",
-        sha1 = "dc99e6ef37038090561bd5253c71b150791bea58",
+            "org.eclipse.jgit:org.eclipse.jgit:5.1.16.202106041830-r",
+        sha1 = "1b32273b9b8326a14355374702799b6cd4a94050",
     )
 
     maven_jar(