fix: fix the benchmarks errors

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

Author: Lokeshranjan8

lib/node_modules/@stdlib/stats/base/dists/frechet/ctor/benchmark/benchmark.js

@@ -359,6 +359,9 @@ bench( format( '%s:median', pkg ), function benchmark( bm ) {
 	var y;
 	var i;
 
+	opts = {
+		'dtype': 'float64'
+	};
 	a = 20.0;
 	b = 10.0;
 	c = 110.0;