Upgrade rust/crates/shlex to 1.0.0

Test: make
Change-Id: I55b9e542f82d8187ad779646d6fdd29d15bdcebe
diff --git a/METADATA b/METADATA
index ada5e8d..6c2b670 100644
--- a/METADATA
+++ b/METADATA
@@ -7,13 +7,13 @@
   }
   url {
     type: ARCHIVE
-    value: "https://static.crates.io/crates/shlex/shlex-0.1.1.crate"
+    value: "https://static.crates.io/crates/shlex/shlex-1.0.0.crate"
   }
-  version: "0.1.1"
+  version: "1.0.0"
   license_type: NOTICE
   last_upgrade_date {
-    year: 2020
-    month: 3
-    day: 31
+    year: 2021
+    month: 2
+    day: 9
   }
 }