Add summary.

Author: pnkfelix

triage/2022-03-09.md

@@ -1,11 +1,11 @@
 # 2022-03-09 Triage Log
 
-TODO: Summary
+A pretty smooth week. All three regressions were small, and two were isolated to rustdoc alone.
 
 Triage done by **@pnkfelix**.
 Revision range: [f0c4da49983aa699f715caf681e3154b445fb60b..10dccdc7fcbdc64ee9efe2c1ed975ab8c1d61287](https://perf.rust-lang.org/?start=f0c4da49983aa699f715caf681e3154b445fb60b&end=10dccdc7fcbdc64ee9efe2c1ed975ab8c1d61287&absolute=false&stat=instructions%3Au)
 
-3 Regressions, 3 Improvements, 1 Mixed; ??? of them in rollups
+3 Regressions, 3 Improvements, 1 Mixed; 2 of them in rollups
 53 comparisons made in total
 
 #### Regressions