bench: refactor to use string interpolation in lapack/base/zrot

---
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: prajjwalbajpai

lib/node_modules/@stdlib/lapack/base/zrot/benchmark/benchmark.js

@@ -27,6 +27,7 @@ var pow = require( '@stdlib/math/base/special/pow' );
 var Complex128Array = require( '@stdlib/array/complex128' );
 var Complex128 = require( '@stdlib/complex/float64/ctor' );
 var reinterpret = require( '@stdlib/strided/base/reinterpret-complex128' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var zrot = require( './../lib/zrot.js' );
 
@@ -107,7 +108,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+':len='+len, f );
+		bench( format( '%s:len=%d', pkg, len ), f );
 	}
 }
 

lib/node_modules/@stdlib/lapack/base/zrot/benchmark/benchmark.ndarray.js

@@ -27,6 +27,7 @@ var pow = require( '@stdlib/math/base/special/pow' );
 var Complex128Array = require( '@stdlib/array/complex128' );
 var Complex128 = require( '@stdlib/complex/float64/ctor' );
 var reinterpret = require( '@stdlib/strided/base/reinterpret-complex128' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var zrot = require( './../lib/ndarray.js' );
 
@@ -107,7 +108,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+':ndarray:len='+len, f );
+		bench( format( '%s:ndarray:len=%d', pkg, len ), f );
 	}
 }