Upgrade rust/crates/syn to 1.0.22

Test: None
Change-Id: Icb173886fa6b0ea21560d851ae40ca4897c27f4e

1 files changed, 2 insertions, 2 deletions

diff --git a/METADATA b/METADATA
index 91d4cf45..01447215 100644
--- a/METADATA
+++ b/METADATA
@@ -9,11 +9,11 @@ third_party {
     type: GIT
     value: "https://github.com/dtolnay/syn"
   }
-  version: "1.0.21"
+  version: "1.0.22"
   license_type: NOTICE
   last_upgrade_date {
     year: 2020
     month: 5
-    day: 12
+    day: 15
   }
 }