🤖 Merge PR #49630 mssql: make database of config optional by @badeball

The property is inherently optional and has to be omitted when eg.
working with mssql when a database has yet to be created.

types/mssql/index.d.ts

@@ -194,7 +194,7 @@ export interface config {
     server: string;
     port?: number;
     domain?: string;
-    database: string;
+    database?: string;
     connectionTimeout?: number;
     requestTimeout?: number;
     stream?: boolean;

types/mssql/mssql-tests.ts

@@ -24,6 +24,8 @@ var config: sql.config = {
     }
 }
 
+var minimalConfig: sql.config = { server: 'ip' };
+
 var connectionStringTest: sql.ConnectionPool = new sql.ConnectionPool("connectionstring", (err) => {
     if (err) {
         return err;