OPENSUSE-SU-2026:21520-1 Security update for php-composer2

This update for php-composer2 fixes the following issues: - CVE-2026-45793: Github Actions issued GITHUBTOKEN disclosure in GitHub Actions logs bsc1271504. - CVE-2026-59946: path traversal in package bin field lets dependencies chmod arbitrary host files bsc1271151. - CVE-2026-59947: URL-embedded...