override form-data (from jsdom dependency) to address CVE-2025-7783

[alexluck-sift]

Pull Request

Description

Address CVE-2025-7783 to enable release. Also adds the plugin-validator step used during release to avoid missing vulnerabilities in future releases.

Fixed by: GHSA-fjxv-7rqg-78g4

See failed job: https://github.com/sift-stack/sift-grafana-datasource/actions/runs/16687623214/job/47239976437

Type of change

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• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes.

• Test A
• Test B

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

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