Fix code formatting in redis_rate_limiter.ex

Apply mix format to fix CI formatting check failure.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

lib/aprsme/redis_rate_limiter.ex

@@ -107,7 +107,9 @@ defmodule Aprsme.RedisRateLimiter do
            [
              ["ZREMRANGEBYSCORE", key, 0, window_start],
              ["ZCARD", key]
-           ], timeout: @redis_timeout) do
+           ],
+           timeout: @redis_timeout
+         ) do
       {:ok, [_, count]} ->
         {:ok, count}