mend mend-renovate-ce helm chart

• CVE-2026-110868 High 8.5 Renovate before 44.79.0 SSRF via HTTP Preset URLs and customDatasources 0.2%
• CVE-2026-110867 High 8.5 Renovate before 44.60.1 allowedEnv Allowlist Bypass via Shared Preset 0.3%
• CVE-2026-110866 Medium 4.7 Renovate before 44.61.3 minimumReleaseAge Bypass via PR Rebase Request 0.2%
• CVE-2026-110865 High 7.1 Renovate before 44.60.1 HTTP Header Allowlist Bypass via Shared Presets 0.2%