Automated cherry pick of #2138: audit: cleanup interval days configurable from env, default is 180d

[erda-bot]

Cherry pick of #2138 on release/1.3.

Squashed commit message:

commit cd3e556d9adb5683e0e8e4f7c95087c1e7bec919
Author: sfwn <sfwnlin@gmail.com>
Date:   Mon Sep 27 16:25:17 2021 +0800

    audit: cleanup interval days configurable from env, default is 180d (#2138)

---

What type of this PR

/kind feature

What this PR does / why we need it:

• Audit cleanup interval days configurable from env
• default is 180d

Which issue(s) this PR fixes:

• Erda Cloud Issue Link

Specified Reviewers:

/assign @Effet

ChangeLog

Language	Changelog
🇺🇸 English	Audit log max retention days adjust to 180 days
🇨🇳 中文	审计日志最大保留天数默认调整为 180 天

Need cherry-pick to release versions?

Add comment like /cherry-pick release/1.3 when this PR is merged.

[Effet]

/approve