feat: [DTOSS-11877] set the alerts_enabled feature to false for dev and sandbox

[MacMur85]

Description

Set the alerts_enabled feature flag to false in the Development and Sandbox environments.
It has been enabled to test the new alerts configurations, but does not need to be enabled anymore.

Context

Type of changes

• Refactoring (non-breaking change)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would change existing functionality)
• Bug fix (non-breaking change which fixes an issue)

Checklist

• I am familiar with the contributing guidelines
• I have followed the code style of the project
• I have added tests to cover my changes
• I have updated the documentation accordingly
• This PR is a result of pair or mob programming

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Sensitive Information Declaration

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• I confirm that neither PII/PID nor sensitive data are included in this PR and the codebase changes.

[github-actions]

Unit Test Results

✔️ Tests 895 / 895 - passed in 67.6s
📝 Coverage 47.01%
📏 4630 / 10127 lines covered 🌿 1136 / 2138 branches covered
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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud