Update go dependencies

vendor/github.com/valyala/fasthttp/coarseTime.go

@@ -0,0 +1,13 @@
+package fasthttp
+
+import (
+	"time"
+)
+
+// CoarseTimeNow returns the current time truncated to the nearest second.
+//
+// Deprecated: This is slower than calling time.Now() directly.
+// This is now time.Now().Truncate(time.Second) shortcut.
+func CoarseTimeNow() time.Time {
+	return time.Now().Truncate(time.Second)
+}