Change RU Threshold to 5000 (#1735)

* ru threshold beta

* use new ru threshold package

* fix typo

* fix merge issue

* fix package-lock.json

* fix test

* fixed settings pane test

* fixed merge issue

* sync with main

* fixed settings pane check

* fix checks

* fixed aria-label error

* fixed aria-label error

* fixed aria-label error

* fixed aria-label error

* remove learn more

* change default RU threshold to 5000

* change default RU threshold to 5000

* change default RU threshold to 5000

---------

Co-authored-by: Asier Isayas <aisayas@microsoft.com>

src/Explorer/Tabs/Tabs.tsx

@@ -63,9 +63,14 @@ export const Tabs = ({ explorer }: TabsProps): JSX.Element => {
           onDismiss={() => {
             setShowRUThresholdMessageBar(false);
           }}
+          styles={{
+            innerText: {
+              fontWeight: "bold",
+            },
+          }}
         >
           {
-            "Avoid high cost queries! We automatically abort them if they exceed the set RU limit.  To adjust your limit go to Settings > RU threshold."
+            "To prevent queries from using excessive RUs, Data Explorer has a 5,000 RU default limit. To modify or remove the limit, go to the Settings cog on the right and find 'RU Threshold'."
           }
         </MessageBar>
       )}