chore: fix JavaScript lint errors

---
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: passed
  - task: lint_javascript_tests
    status: na
  - task: lint_javascript_benchmarks
    status: na
  - 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: Aniket-SS

lib/node_modules/@stdlib/datasets/us-states-names-capitals/examples/index.js

@@ -18,6 +18,7 @@
 
 'use strict';
 
+var format = require( '@stdlib/string/format' );
 var capitalize = require( '@stdlib/string/capitalize' );
 var table = require( './../lib' );
 
@@ -38,7 +39,7 @@ function getCapital( state ) {
 
 	// Ensure a valid state name was provided...
 	if ( capital === void 0 ) {
-		throw new Error( 'unrecognized state name. Value: `' + state + '`.' );
+		throw new Error( format( 'unrecognized state name. Value: `%s`.', state ) );
 	}
 	return capital;
 }