Pr bitbucket delete event support

[HussainS12]

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Description

This PR adds feature to delete project in CxSAST when an unprotected branch is deleted in BitBucket server

Testing

Configured CxFlow with Bitbucket server(on-prem) and created a PR which created project with name JavaVulnerabilityLabE-branch-name.
In CxSAST the count of total used projects incremented by 1.
When branch was deleted from Bitbucket server PUSH event with type DELETE was fired and DELETE event was handled.
After processing the DELETE event project was deleted from CxSAST server and the total used projects count decremented by 1.

Checklist

• I have added documentation for new/changed functionality in this PR (if applicable). If documentation is a Wiki Update, please indicate desired changes within PR MD Comment
• All active GitHub checks for tests, formatting, and security are passing
• The correct base branch is being used

[cxflowtestuser]

Scan submitted to Checkmarx

[cxflowtestuser]

Checkmarx SAST - Scan Summary & Details

Cx-SAST Summary

Total of 2519 vulnerabilities
 0 High
 0 Medium
 2373 Low
 146 Info

Violation Summary

No policy violation found

Cx-SAST Details

Lines	Severity	Category	File	Link

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Checkmarx SCA - Scan Summary & Details

Cx-SCA Summary

Total Packages Identified: 271
Scan Risk Score: 9.80

 4 High severity vulnerabilities
 0 Medium severity vulnerabilities
 1 Low severity vulnerabilities
View more details on Checkmarx UI

Cx-SCA vulnerability result overview

Vulnerability ID	Package	Severity	CVSS score	Publish date	Current version	Recommended version	Link in CxSCA	Reference – NVD link
CVE-2016-1000031	commons-fileupload:commons-fileupload	HIGH	9.8	2016-10-25T14:29:00	1.0		Vulnerability Link	CVE-2016-1000031
CVE-2016-3092	commons-fileupload:commons-fileupload	HIGH	7.5	2016-07-04T22:59:00	1.0		Vulnerability Link	CVE-2016-3092
CVE-2014-0050	commons-fileupload:commons-fileupload	HIGH	7.5	2014-04-01T06:27:00	1.0		Vulnerability Link	CVE-2014-0050
CVE-2013-2186	commons-fileupload:commons-fileupload	HIGH	7.5	2013-10-28T21:55:00	1.0		Vulnerability Link	CVE-2013-2186
CVE-2013-0248	commons-fileupload:commons-fileupload	LOW	3.3	2013-03-15T20:55:00	1.0		Vulnerability Link	CVE-2013-0248