CLEANSTART-2026-YW72184 Security fixes in grafana-alloy 1.15.1-r1

Package grafana-alloy version 1.15.1-r1 fixes 8 vulnerabilities: ghsa-497x-rrr9-68jp, ghsa-w8rr-5gcm-pp58, ghsa-xmrv-pmrh-hhx2, ghsa-3xc5-wrhm-f963, CVE-2026-34040...