Change per_thread_sem_test from size medium to size large.

PiperOrigin-RevId: 481192073
Change-Id: I1e3296f6be4ddf73bd5c7164f4673e97a0c2c408
diff --git a/absl/synchronization/BUILD.bazel b/absl/synchronization/BUILD.bazel
index 3a37816..66bd874 100644
--- a/absl/synchronization/BUILD.bazel
+++ b/absl/synchronization/BUILD.bazel
@@ -286,7 +286,7 @@
 
 cc_test(
     name = "per_thread_sem_test",
-    size = "medium",
+    size = "large",
     copts = ABSL_TEST_COPTS,
     linkopts = ABSL_DEFAULT_LINKOPTS,
     tags = [