Change last audit date range to 30 days

What does this MR do and why?

Change audit label to 30 days instead of month

• Adds consistency to always selecting the past 30 days vs being reliant on the current month, as this would especially be confusing around the start of a perticualr month.

References

Please include cross links to any resources that are relevant to this MR. This will give reviewers and future readers helpful context to give an efficient review of the changes introduced.

• Refs: Audit Event `This month` button selects 1 day i... (#433329 - closed) • SAM FIGUEROA • 17.7

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Screenshots or screen recordings

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Before	After

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

1. Visit Audit Events from Group->Secure menu or Admin->Monitoring menu
2. Click on Last 30 days
3. Profit