feat: update namespace TypeScript declarations

lib/node_modules/@stdlib/ndarray/base/docs/types/index.d.ts

@@ -2909,14 +2909,14 @@ interface Namespace {
 	* @returns zero-filled array
 	*
 	* @example
-	* var arr = ns.zeros( 'float32', [ 2, 2 ], 'row-major' );
+	* var arr = ns.zeros( 'float64', [ 2, 2 ], 'row-major' );
 	* // returns <ndarray>
 	*
 	* var sh = arr.shape;
 	* // returns [ 2, 2 ]
 	*
 	* var dt = arr.dtype;
-	* // returns 'float32'
+	* // returns 'float64'
 	*/
 	zeros: typeof zeros;
 

lib/node_modules/@stdlib/ndarray/docs/types/index.d.ts

@@ -598,7 +598,8 @@ interface Namespace {
 	*
 	* -   If a `dtype` option is not provided and `value`
 	*
-	*     -   is a `number`, the default data type is the default real-valued floating-point data type.
+	*     -   is a number, the default data type is the default real-valued floating-point data type.
+	*     -   is a boolean, the default data type is the default boolean data type.
 	*     -   is a complex number object of a known complex data type, the data type is the same as the provided value.
 	*     -   is a complex number object of an unknown complex data type, the default data type is the default complex-valued floating-point data type.
 	*     -   is any other value type, the default data type is `'generic'`.