doc: mssql v3.1.5 database version support description

Author: zhongming Fan

weops/pipe-tools/bk_pkg/mssql/README.md

@@ -17,10 +17,10 @@
 
 | **主版本号** | **次版本号** | **指标支持** |
 |----------|----------|----------|
-| 2008     | 10.x     | -        |
-| 2008 R2  | 10.5     | -        |
-| 2012     | 11.x     | -        |
-| 2014     | 12.x     | -        |
+| 2008     | 10.x     | ✔ |
+| 2008 R2  | 10.5     | ✔ |
+| 2012     | 11.x     | ✔ |
+| 2014     | 12.x     | ✔ |
 | 2016     | 13.x     | ✔ |
 | 2017     | 14.x     | ✔ |
 | 2019     | 15.x     | ✔ |