[LB] Update limitations.mdx (#20482)

Author: ngayerie

src/content/docs/load-balancing/reference/limitations.mdx

@@ -9,7 +9,7 @@ sidebar:
  Name | Non-Enterprise | Enterprise |
  --- | --- | --- |
  Load balancers | 20 | custom |
- Monitor intervals | 60s (min), 3600s (max) | 10s (min), 3600s (max) |
+ Monitor intervals | 15s (min), 3600s (max) | 10s (min), 3600s (max) |
  Monitors | 1.5x the number of pools | 1.5x the number of pools |
  Endpoints | 20 | custom |
  Pools | 20 | custom |