docs: use base_alias instead of alias

Author: gunjjoshi

lib/node_modules/@stdlib/_tools/scaffold/math-strided-real-typed-unary/scripts/runner.js

@@ -245,7 +245,7 @@ function main() {
 		for ( j = 0; j < keys.length; j++ ) {
 			k = keys[ j ];
 			v = o[ k ];
-			if ( k === 'alias' ) {
+			if ( k === 'base_alias' ) {
 				envs.push( aliasEnvVar( v ) );
 				continue;
 			}