fix: narrow type guard in @stdlib/assert/is-primitive-array

PR-URL: #12453
Co-authored-by: Athan Reines <kgryte@gmail.com>
Reviewed-by: Athan Reines <kgryte@gmail.com> 
Signed-off-by: Athan Reines <kgryte@gmail.com>

Author: Planeshifter

lib/node_modules/@stdlib/assert/is-primitive-array/docs/types/index.d.ts

@@ -34,7 +34,7 @@
 * bool = isPrimitiveArray( [ new String('abc'), '3.0' ] );
 * // returns false
 */
-declare function isPrimitiveArray( value: any ): value is Array<any>;
+declare function isPrimitiveArray( value: any ): value is Array<null | undefined | string | boolean | number | symbol | bigint>;
 
 
 // EXPORTS //