git: openjdk/jdk-sandbox: json: reuse numStr

[duke]

Changeset: 76cefa3c
Branch: json
Author:    Naoto Sato <naoto.sato at oracle.com>
Date:      2025-02-26 14:33:57 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/76cefa3c46df7b63686634f6fcd6221c3541652f

reuse numStr

! src/java.base/share/classes/java/util/json/JsonNumberImpl.java