fix(build): tighten TypeScript build configuration and update tooling dependencies

ts/smartclickhouse.classes.resultset.ts

@@ -10,11 +10,11 @@ export class ClickhouseResultSet<T> {
   }
 
   public first(): T | null {
-    return this.rows.length > 0 ? this.rows[0] : null;
+    return this.rows[0] ?? null;
   }
 
   public last(): T | null {
-    return this.rows.length > 0 ? this.rows[this.rows.length - 1] : null;
+    return this.rows[this.rows.length - 1] ?? null;
   }
 
   public isEmpty(): boolean {