MS-SQL Database Administrator 404 on Additional Link

[g1ddy]

Reference link being provided to agent is not valid:

- [SQL Server performance tuning](https://learn.microsoft.com/en-us/sql/relational-databases/performance/performance-tuning-sql-server?view=sql-server-ver16)

https://github.com/github/awesome-copilot/blob/main/plugins/database-data-management/agents/ms-sql-dba.md?plain=1#L28

Some possible options include:
https://learn.microsoft.com/en-us/sql/relational-databases/performance/monitor-and-tune-for-performance?view=sql-server-ver16
https://learn.microsoft.com/en-us/sql/relational-databases/performance/performance-monitoring-and-tuning-tools?view=sql-server-ver16

got a 404 on this one

-Anonymous co-worker

[aaronpowell]

can you provide a PR of what you think the correct link should be