chore: bump influxdb client lib version from 1.1.4 to 1.1.5

fixed a compile warning

lib-ee/emqx_ee_connector/rebar.config

@@ -1,7 +1,7 @@
 {erl_opts, [debug_info]}.
 {deps, [
   {hstreamdb_erl, {git, "https://github.com/hstreamdb/hstreamdb_erl.git", {tag, "0.2.5"}}},
-  {influxdb, {git, "https://github.com/emqx/influxdb-client-erl", {tag, "1.1.4"}}},
+  {influxdb, {git, "https://github.com/emqx/influxdb-client-erl", {tag, "1.1.5"}}},
   {emqx, {path, "../../apps/emqx"}}
 ]}.