fix: upgrade golang version to 1.22.2 for CVE-2023-45288

[zhiying-lin]

What type of PR is this?

/kind bug

What this PR does / why we need it:

Which issue(s) this PR fixes:
scan image failed
https://github.com/Azure/fleet/actions/runs/8997697599/job/24716356414

hubagent (gobinary)
Total: 1 (HIGH: 1, CRITICAL: 0)

┌─────────┬────────────────┬──────────┬────────┬───────────────────┬────────────────┬────────────────────────────────────────────────────┐
│ Library │ Vulnerability │ Severity │ Status │ Installed Version │ Fixed Version │ Title │
├─────────┼────────────────┼──────────┼────────┼───────────────────┼────────────────┼────────────────────────────────────────────────────┤
│ stdlib │ CVE-2023-45288 │ HIGH │ fixed │ 1.20.14 │ 1.21.9, 1.22.2 │ golang: net/http, x/net/http2: unlimited number of │
│ │ │ │ │ │ │ CONTINUATION frames causes DoS │
│ │ │ │ │ │ │ https://avd.aquasec.com/nvd/cve-2023-45288 │
└─────────┴────────────────┴──────────┴────────┴───────────────────┴────────────────┴────────────────────────────────────────────────────┘

Requirements:

• run make reviewable for basic local test
• Read and followed fleet-networking's Code of conduct.
• uses conventional commit messages
• includes documentation
• adds unit tests

How has this code been tested

Special notes for your reviewer

[michaelawyu]

LGTM