[3.20] community/mozjs115: security upgrade to 115.15.0
https://www.mozilla.org/en-US/firefox/115.15.0/releasenotes/
fixes CVE-2024-8384
related: !71342 (merged)
https://www.mozilla.org/en-US/firefox/115.15.0/releasenotes/
fixes CVE-2024-8384
related: !71342 (merged)