style: use single quotes in blas/ext/base/dcartesian-power JSDoc requires

Replace backtick-quoted `require()` strings in the TypeScript
declarations with single-quoted strings to match the rest of stdlib's
TypeScript declaration files.

Author: claude

lib/node_modules/@stdlib/blas/ext/base/dcartesian-power/docs/types/index.d.ts

@@ -43,7 +43,7 @@ interface Routine {
 	* @returns output array
 	*
 	* @example
-	* var Float64Array = require( `@stdlib/array/float64` );
+	* var Float64Array = require( '@stdlib/array/float64' );
 	*
 	* var x = new Float64Array( [ 1.0, 2.0 ] );
 	* var out = new Float64Array( 8 );
@@ -72,7 +72,7 @@ interface Routine {
 	* @returns output array
 	*
 	* @example
-	* var Float64Array = require( `@stdlib/array/float64` );
+	* var Float64Array = require( '@stdlib/array/float64' );
 	*
 	* var x = new Float64Array( [ 1.0, 2.0 ] );
 	* var out = new Float64Array( 8 );
@@ -96,7 +96,7 @@ interface Routine {
 * @returns output array
 *
 * @example
-* var Float64Array = require( `@stdlib/array/float64` );
+* var Float64Array = require( '@stdlib/array/float64' );
 *
 * var x = new Float64Array( [ 1.0, 2.0 ] );
 * var out = new Float64Array( 8 );
@@ -105,7 +105,7 @@ interface Routine {
 * // out => <Float64Array>[ 1.0, 1.0, 1.0, 2.0, 2.0, 1.0, 2.0, 2.0 ]
 *
 * @example
-* var Float64Array = require( `@stdlib/array/float64` );
+* var Float64Array = require( '@stdlib/array/float64' );
 *
 * var x = new Float64Array( [ 1.0, 2.0 ] );
 * var out = new Float64Array( 8 );