feat: add svariance to namespace

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
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    status: passed
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---

Author: kgryte

lib/node_modules/@stdlib/stats/base/ndarray/lib/index.js

@@ -1530,6 +1530,15 @@ setReadOnly( ns, 'stdevwd', require( '@stdlib/stats/base/ndarray/stdevwd' ) );
 */
 setReadOnly( ns, 'stdevyc', require( '@stdlib/stats/base/ndarray/stdevyc' ) );
 
+/**
+* @name svariance
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/stats/base/ndarray/svariance}
+*/
+setReadOnly( ns, 'svariance', require( '@stdlib/stats/base/ndarray/svariance' ) );
+
 /**
 * @name sztest
 * @memberof ns