feat: add mskfilterMap to namespace

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---

Author: kgryte

lib/node_modules/@stdlib/array/base/lib/index.js

@@ -1134,6 +1134,15 @@ setReadOnly( ns, 'mskbinary5d', require( '@stdlib/array/base/mskbinary5d' ) );
 */
 setReadOnly( ns, 'mskfilter', require( '@stdlib/array/base/mskfilter' ) );
 
+/**
+* @name mskfilterMap
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/array/base/mskfilter-map}
+*/
+setReadOnly( ns, 'mskfilterMap', require( '@stdlib/array/base/mskfilter-map' ) );
+
 /**
 * @name mskfilter2
 * @memberof ns