fix: Update Go version from 1.25.8 to 1.25.9

[andyzhangx]

┌─────────┬────────────────┬──────────┬────────┬───────────────────┬────────────────┬─────────────────────────────────────────────────────────────┐
│ Library │ Vulnerability  │ Severity │ Status │ Installed Version │ Fixed Version  │                            Title                            │
├─────────┼────────────────┼──────────┼────────┼───────────────────┼────────────────┼─────────────────────────────────────────────────────────────┤
│ stdlib  │ CVE-2026-32280 │ UNKNOWN  │ fixed  │ v1.25.8           │ 1.25.9, 1.26.2 │ Unexpected work during chain building in crypto/x509        │
│         │                │          │        │                   │                │ https://avd.aquasec.com/nvd/cve-2026-32280                  │
│         ├────────────────┤          │        │                   │                ├─────────────────────────────────────────────────────────────┤
│         │ CVE-2026-32281 │          │        │                   │                │ Inefficient policy validation in crypto/x509                │
│         │                │          │        │                   │                │ https://avd.aquasec.com/nvd/cve-2026-32281                  │
│         ├────────────────┤          │        │                   │                ├─────────────────────────────────────────────────────────────┤
│         │ CVE-2026-32282 │          │        │                   │                │ TOCTOU permits root escape on Linux via Root.Chmod in os in │
│         │                │          │        │                   │                │ internal/syscall/unix...                                    │
│         │                │          │        │                   │                │ https://avd.aquasec.com/nvd/cve-2026-32282                  │
│         ├────────────────┤          │        │                   │                ├─────────────────────────────────────────────────────────────┤
│         │ CVE-2026-32283 │          │        │                   │                │ Unauthenticated TLS 1.3 KeyUpdate record can cause          │
│         │                │          │        │                   │                │ persistent connection retention and DoS...                  │
│         │                │          │        │                   │                │ https://avd.aquasec.com/nvd/cve-2026-32283                  │
│         ├────────────────┤          │        │                   │                ├─────────────────────────────────────────────────────────────┤
│         │ CVE-2026-32288 │          │        │                   │                │ Unbounded allocation for old GNU sparse in archive/tar      │
│         │                │          │        │                   │                │ https://avd.aquasec.com/nvd/cve-2026-32288                  │
│         ├────────────────┤          │        │                   │                ├─────────────────────────────────────────────────────────────┤
│         │ CVE-2026-32289 │          │        │                   │                │ JsBraceDepth Context Tracking Bugs (XSS) in html/template   │
│         │                │          │        │                   │                │ https://avd.aquasec.com/nvd/cve-2026-32289                  │
└─────────┴────────────────┴──────────┴────────┴───────────────────┴────────────────┴─────────────────────────────────────────────────────────────┘

Release note:

fix: Update Go version from 1.25.8 to 1.25.9

[xing-yang]

/lgtm
/approve

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