Enable descendant_security_scans by default

What does this MR do and why?

This change enables descendant_security_scans feature flag by default.

#417486 (closed)

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

changed milestone to %16.3

added groupthreat insights label

assigned to @mokhax

added devopsgovern sectionsec labels

added feature flag label

	1 Message
	CHANGELOG missing: If you want to create a changelog entry for GitLab FOSS, add the Changelog trailer to the commit message you want to add to the changelog. If you want to create a changelog entry for GitLab EE, also add the EE: true trailer to your commit message. If this merge request doesn't need a CHANGELOG entry, feel free to ignore this message.

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Generated by Danger

mentioned in commit gitlab-org-sandbox/gitlab-jh-validation@5c9b06bd

added bugfunctional label

added typebug label

Allure report

allure-report-publisher generated test report!

e2e-test-on-gdk: test report for 2ee0c132

expand test summary

+------------------------------------------------------------------+
|                          suites summary                          |
+-------------+--------+--------+---------+-------+-------+--------+
|             | passed | failed | skipped | flaky | total | result |
+-------------+--------+--------+---------+-------+-------+--------+
| Govern      | 21     | 0      | 0       | 18    | 21    | ❗     |
| Plan        | 47     | 0      | 0       | 40    | 47    | ❗     |
| Create      | 19     | 0      | 0       | 18    | 19    | ❗     |
| Data Stores | 20     | 0      | 0       | 15    | 20    | ❗     |
| Verify      | 8      | 0      | 0       | 8     | 8     | ❗     |
| Manage      | 12     | 0      | 1       | 12    | 13    | ❗     |
+-------------+--------+--------+---------+-------+-------+--------+
| Total       | 127    | 0      | 1       | 111   | 128   | ❗     |
+-------------+--------+--------+---------+-------+-------+--------+

e2e-package-and-test: test report for 2ee0c132

expand test summary

+-------------------------------------------------------------+
|                       suites summary                        |
+--------+--------+--------+---------+-------+-------+--------+
|        | passed | failed | skipped | flaky | total | result |
+--------+--------+--------+---------+-------+-------+--------+
| Govern | 102    | 0      | 8       | 8     | 110   | ❗     |
+--------+--------+--------+---------+-------+-------+--------+
| Total  | 102    | 0      | 8       | 8     | 110   | ❗     |
+--------+--------+--------+---------+-------+-------+--------+

mentioned in issue #393305 (closed)

marked this merge request as ready

added maintenancerelease label

added typemaintenance label and removed bugfunctional typebug labels

added 484 commits

• c788349a...3b243229 - 483 commits from branch master
• 2ee0c132 - Enable descendant_security_scans by default

Compare with previous version

mentioned in commit gitlab-org-sandbox/gitlab-jh-validation@9701e031

I would like to merge this MR after I complete the rollout in #417486 (closed). @bwill could you help me get started by doing the first review on this MR please?

requested review from @bwill

approved this merge request