security: Need to update the alpine image version CVE-2022-28391

[tao12345666333]

Alpine Linux is affected by a serious security CVE-2022-28391 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28391

The AlpineLinux Release Note https://alpinelinux.org/posts/Alpine-3.12.12-3.13.10-3.14.6-3.15.4-released.html

We should update the currently used Alpine Linux image version.

[tokers]

👍

[github-actions[bot]]

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[tokers]

@tao12345666333 We may do this by ourselves.

[soulbird]

apisix no longer maintains the alpine mirror.