Bump meck dependency to 0.9.2

To handle Erlang 24 support
diff --git a/rebar.config b/rebar.config
index fdc5c77..fdfb7e2 100644
--- a/rebar.config
+++ b/rebar.config
@@ -2,7 +2,7 @@
 
 {deps, [
     {bear, ".*", {git, "https://github.com/apache/couchdb-bear.git", "008f48aff819126e281d5ccae80a258bf9bf9c30"}},
-    {meck, ".*", {git, "https://github.com/apache/couchdb-meck.git", {tag, "0.8.8"}}}
+    {meck, ".*", {git, "https://github.com/apache/couchdb-meck.git", {tag, "0.9.2"}}}
 ]}.
 
 {erl_opts, [debug_info]}.