ci: pin emqx/erlang-rocksdb to 1.7.2-emqx-7

Which has binaries prebuilt under OTP-25.

mix.exs

@@ -52,6 +52,7 @@ defmodule EMQXUmbrella.MixProject do
       {:jiffy, github: "emqx/jiffy", tag: "1.0.5", override: true},
       {:cowboy, github: "emqx/cowboy", tag: "2.9.0", override: true},
       {:esockd, github: "emqx/esockd", tag: "5.9.4", override: true},
+      {:rocksdb, github: "emqx/erlang-rocksdb", tag: "1.7.2-emqx-7", override: true},
       {:ekka, github: "emqx/ekka", tag: "0.13.7", override: true},
       {:gen_rpc, github: "emqx/gen_rpc", tag: "2.8.1", override: true},
       {:grpc, github: "emqx/grpc-erl", tag: "0.6.7", override: true},

rebar.config

@@ -54,6 +54,7 @@
     , {jiffy, {git, "https://github.com/emqx/jiffy", {tag, "1.0.5"}}}
     , {cowboy, {git, "https://github.com/emqx/cowboy", {tag, "2.9.0"}}}
     , {esockd, {git, "https://github.com/emqx/esockd", {tag, "5.9.4"}}}
+    , {rocksdb, {git, "https://github.com/emqx/erlang-rocksdb", {tag, "1.7.2-emqx-7"}}}
     , {ekka, {git, "https://github.com/emqx/ekka", {tag, "0.13.7"}}}
     , {gen_rpc, {git, "https://github.com/emqx/gen_rpc", {tag, "2.8.1"}}}
     , {grpc, {git, "https://github.com/emqx/grpc-erl", {tag, "0.6.7"}}}