Increase shard_count on shm_event_loop_test

It keeps growing, we can do it more in parallel to go faster.

Change-Id: I83612ed5407a3bf1f88f1bceba9f2860d5a10f15
Signed-off-by: Austin Schuh <austin.schuh@bluerivertech.com>
diff --git a/aos/events/BUILD b/aos/events/BUILD
index b339b67..190d30a 100644
--- a/aos/events/BUILD
+++ b/aos/events/BUILD
@@ -382,7 +382,7 @@
 cc_test(
     name = "shm_event_loop_test",
     srcs = ["shm_event_loop_test.cc"],
-    shard_count = 16,
+    shard_count = 24,
     target_compatible_with = ["@platforms//os:linux"],
     deps = [
         ":event_loop_param_test",