Fix OSS linux build

Summary: std::chrono::years is a C++20 feature, so use hours instead since it's been available since C++11

Reviewed By: HarveyHunt

Differential Revision: D51911350

fbshipit-source-id: 757ead214020bd976844f5a150cab33b4a1cc829

folly/logging/test/RateLimiterTest.cpp

@@ -121,6 +121,6 @@ TEST(RateLimiter, concurrentThreads) {
 }
 
 TEST(RateLimiter, LargeInterval) {
-  IntervalRateLimiter limiter{1, std::chrono::years{1}};
+  IntervalRateLimiter limiter{1, std::chrono::hours{8765}}; // Just under a year
   EXPECT_TRUE(limiter.check());
 }