Added 5 new detections for Azure Firewall Sentinel Solution

[shabaz-github]

Required items, please complete

Change(s):

• Added the following 5 new detections for Azure Firewall Sentinel Solution.
• High severity malicious activity detected
• Medium severity malicious activity detected
• Web Application attack detected
• DDoS attack detected
• Elevation of Privilege attempt detected

Reason for Change(s):

• To add new built-in detections for Azure Firewall Sentinel Solution

Version Updated:

• Yes

Testing Completed:

• Yes

Checked that the validations are passing and have addressed any issues that are present:

• Yes