chore: update eredis_cluster version to 0.7.1

apps/emqx_connector/rebar.config

@@ -13,7 +13,7 @@
   %% NOTE: mind poolboy version when updating mongodb-erlang version
   {mongodb, {git,"https://github.com/emqx/mongodb-erlang", {tag, "v3.0.12"}}},
   %% NOTE: mind poolboy version when updating eredis_cluster version
-  {eredis_cluster, {git, "https://github.com/emqx/eredis_cluster", {tag, "0.7.0"}}},
+  {eredis_cluster, {git, "https://github.com/emqx/eredis_cluster", {tag, "0.7.1"}}},
   %% mongodb-erlang uses a special fork https://github.com/comtihon/poolboy.git
   %% (which has overflow_ttl feature added).
   %% However, it references `{branch, "master}` (commit 9c06a9a on 2021-04-07).