croupier: Syncbase 0.0.22

Upgrade to the version that doesn't slow down sync when peers go down.

Change-Id: I130f2b7a42e601568766477add953ef46223eff2
diff --git a/pubspec.lock b/pubspec.lock
index 93350e9..99ee464 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -4,7 +4,7 @@
   analyzer:
     description: analyzer
     source: hosted
-    version: "0.26.3"
+    version: "0.26.4"
   archive:
     description: archive
     source: hosted
@@ -214,7 +214,7 @@
   syncbase:
     description: syncbase
     source: hosted
-    version: "0.0.20"
+    version: "0.0.22"
   test:
     description: test
     source: hosted