[cipd] Bump client and vpython to v2.2.3 (b6cdec8586).

It is identical to previously deployed 2.2.2, except it contains a bug fix:
https://chromium-review.googlesource.com/1152364

Change-Id: I4410d6da814cbda4a3465c07defe16b4265e68dd
diff --git a/.cipd_version b/.cipd_version
index 2798101..761c77f 100644
--- a/.cipd_version
+++ b/.cipd_version
@@ -1 +1 @@
-git_revision:03693197fef4b7d6f2d717f99e9e616bb4f4d8a8
+git_revision:b6cdec8586c9f8d3d728b1bc0bd4331330ba66fc
diff --git a/fuchsia.ensure b/fuchsia.ensure
index 0890ae0..ebb040b 100644
--- a/fuchsia.ensure
+++ b/fuchsia.ensure
@@ -8,7 +8,7 @@
 $ParanoidMode CheckPresence
 
 # vpython
-infra/tools/luci/vpython/${platform} git_revision:03693197fef4b7d6f2d717f99e9e616bb4f4d8a8
+infra/tools/luci/vpython/${platform} git_revision:b6cdec8586c9f8d3d728b1bc0bd4331330ba66fc
 
 # LUCI editor
 infra/tools/luci/led/${platform} git_revision:f8fd394bd671f4cf4da8064a1ee074018c275d15