Update external dependencies

Dependencies of this plugin were wildly outdated, therefore update
- commons-io:commons-io to 2.2 wich is used in Gerrit core
- org.apache.tika:tika-core to the latest release 1.24.1

Change-Id: Id60ffe739244d5af403d5b9eb26e1115d2c113cc
diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
index 65cd5e6..8d85336 100644
--- a/external_plugin_deps.bzl
+++ b/external_plugin_deps.bzl
@@ -3,11 +3,11 @@
 def external_plugin_deps():
     maven_jar(
         name = "commons-io",
-        artifact = "commons-io:commons-io:1.4",
-        sha1 = "a8762d07e76cfde2395257a5da47ba7c1dbd3dce",
+        artifact = "commons-io:commons-io:2.2",
+        sha1 = "83b5b8a7ba1c08f9e8c8ff2373724e33d3c1e22a",
     )
     maven_jar(
         name = "tika-core",
-        artifact = "org.apache.tika:tika-core:1.12",
-        sha1 = "5ab95580d22fe1dee79cffbcd98bb509a32da09b",
+        artifact = "org.apache.tika:tika-core:1.24.1",
+        sha1 = "703e65fb300d1425d4ad7b68c21c7795bb7a95c3",
     )