fix: added instanceName to options (#9968)

* added instanceName to options

* run prettier

---------

Co-authored-by: Jens Horch <[email protected]>

Author: jenshorch

src/driver/sqlserver/SqlServerConnectionOptions.ts

@@ -119,6 +119,11 @@ export interface SqlServerConnectionOptions
      * Extra options
      */
     readonly options?: {
+        /**
+         * The named instance to connect to
+         */
+        readonly instanceName?: string
+
         /**
          * By default, if the database requestion by options.database cannot be accessed, the connection will fail with
          * an error. However, if options.fallbackToDefaultDb is set to true, then the user's default database will