fix: requests/sec instead of requets (#12557)

public/app/core/utils/kbn.ts

@@ -957,7 +957,7 @@ kbn.getUnitFormats = function() {
       text: 'throughput',
       submenu: [
         { text: 'ops/sec (ops)', value: 'ops' },
-        { text: 'requets/sec (rps)', value: 'reqps' },
+        { text: 'requests/sec (rps)', value: 'reqps' },
         { text: 'reads/sec (rps)', value: 'rps' },
         { text: 'writes/sec (wps)', value: 'wps' },
         { text: 'I/O ops/sec (iops)', value: 'iops' },