Upgrade jackson-core to 2.10.2

Change-Id: I790f4b902c35a3e6ba0165efd89b20fac5db9566

tools/nongoogle.bzl

diff --git a/tools/nongoogle.bzl b/tools/nongoogle.bzl
index 03d42a7..82022a7 100644
--- a/tools/nongoogle.bzl
+++ b/tools/nongoogle.bzl
@@ -100,8 +100,8 @@
 
     maven_jar(
         name = "jackson-core",
-        artifact = "com.fasterxml.jackson.core:jackson-core:2.10.1",
-        sha1 = "2c8b5e26ba40e5f91eb37a24075a2028b402c5f9",
+        artifact = "com.fasterxml.jackson.core:jackson-core:2.10.2",
+        sha1 = "73d4322a6bda684f676a2b5fe918361c4e5c7cca",
     )
 
     # Test-only dependencies below.