Update AAD SLA to include 2023/02 numbers

Author: jamesw-msft

articles/active-directory/reports-monitoring/reference-azure-ad-sla-performance.md

@@ -47,7 +47,7 @@ The SLA attainment is truncated at three places after the decimal. Numbers are n
 | Month     | 2021    | 2022    | 2023    |
 | ---       | ---     | ---     | ---     |
 | January   |         | 99.998% | 99.998% |
-| February  | 99.999% | 99.999% | |
+| February  | 99.999% | 99.999% | 99.999% |
 | March     | 99.568% | 99.998% | |
 | April     | 99.999% | 99.999% | |
 | May       | 99.999% | 99.999% | |