bench: refactor to use string interpolation in array/bool/benchmark

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: na
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: na
  - task: lint_javascript_benchmarks
    status: passed
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: passed
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---

Author: abhaysinghs772

lib/node_modules/@stdlib/array/bool/benchmark/benchmark.at.js

@@ -22,13 +22,14 @@
 
 var bench = require( '@stdlib/bench' );
 var isBoolean = require( '@stdlib/assert/is-boolean' ).isPrimitive;
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var BooleanArray = require( './../lib' );
 
 
 // MAIN //
 
-bench( pkg+'::nonnegative_indices:at', function benchmark( b ) {
+bench( format( '%s::nonnegative_indices:at', pkg ), function benchmark( b ) {
 	var arr;
 	var N;
 	var v;
@@ -56,7 +57,7 @@ bench( pkg+'::nonnegative_indices:at', function benchmark( b ) {
 	b.end();
 });
 
-bench( pkg+'::negative_indices:at', function benchmark( b ) {
+bench( format( '%s::negative_indices:at', pkg ), function benchmark( b ) {
 	var arr;
 	var N;
 	var v;