feat(helm): update chart external-dns to 1.15.0

[renovate]

This PR contains the following updates:

Package	Update	Change
external-dns	minor	1.14.5 -> 1.15.0

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Release Notes

kubernetes-sigs/external-dns (external-dns)

v1.15.0

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Configuration

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[jsaveker]

Here is an automated review from ChatGPT of this pull request.

Based on the given "git diff", the primary change is an update to the version of external-dns from 1.14.5 to 1.15.0 in a Helm release configuration. Without additional context about the changes in the version update of external-dns, it's challenging to definitively analyze the specific security implications of this version bump. However, here are some general considerations:

1. Version Update Security Practices: Updating dependencies, including Helm charts, can be a positive security practice as it often includes patches for known vulnerabilities in previous versions. It's crucial to review the release notes of external-dns version 1.15.0 to ensure that it does not introduce new vulnerabilities or remove security features.
2. Dependency Scanning: It's recommended to scan the new version for known vulnerabilities. Tools like Snyk or Trivy can scan Helm charts and their dependencies to identify potential security issues.
3. Validation Testing: Before rolling out the new version, validation testing in a controlled environment should be conducted to ensure that the update does not unintentionally impact the security posture of the deployment. This might include testing for misconfigurations introduced by default settings or changes in behavior that could affect security controls.

Without specific details on what changes in external-dns 1.15.0 entail, these suggestions are based on general best practices when updating software dependencies in a security-focused context.

Suggested Fixes in Markdown

Given the nature of the change and the information provided, here are general recommendations formatted in markdown:

## Security Considerations for Updating `external-dns` to 1.15.0

When updating `external-dns` to version 1.15.0, consider the following security best practices:

### Review Release Notes

- **Check for Security Fixes:** Carefully review the release notes of `external-dns` version 1.15.0 for any security patches or known vulnerabilities fixed that are relevant to your use case.
- **Identify New Features:** Understand any new features or changes that might impact your security posture.

### Conduct Dependency Scanning

- Use tools like `Snyk` or `Trivy` to scan the Helm chart and its new dependencies for known vulnerabilities.
- Address any identified issues before proceeding with the update.

### Validation Testing

- Perform thorough validation testing in a non-production environment to ensure the update does not introduce unintended security issues.
- Verify that security controls and configurations are not adversely affected by the update.

### Rollout Plan

- Consider a phased rollout of the update to monitor for any unexpected behavior or security issues.
- Be prepared to roll back if the update introduces critical issues.

### Monitoring and Audit

- Monitor application and infrastructure logs for any suspicious activity following the update.
- Audit configurations and permissions to ensure they meet your security requirements.

These steps serve as a general guide and should be adapted based on the specific context and environment where external-dns is deployed.