style: use 0.0 instead of 0 in scale-parameter guard in stats/base/dists/cauchy/quantile/lib/factory.js

Match the float-literal style used by the four sibling factories
(cdf, logcdf, logpdf, pdf). Behavior unchanged.

Author: claude

lib/node_modules/@stdlib/stats/base/dists/cauchy/quantile/lib/factory.js

@@ -47,7 +47,7 @@ function factory( x0, gamma ) {
 	if (
 		isnan( x0 ) ||
 		isnan( gamma ) ||
-		gamma <= 0
+		gamma <= 0.0
 	) {
 		return constantFunction( NaN );
 	}