docs: fix data type

PR-URL: #7536
Reviewed-by: Athan Reines <kgryte@gmail.com>

Author: ShabiShett07

lib/node_modules/@stdlib/blas/base/dger/examples/index.js

@@ -22,7 +22,7 @@ var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
 var dger = require( './../lib' );
 
 var opts = {
-	'dtype': 'float32'
+	'dtype': 'float64'
 };
 
 var M = 3;