Update SECURITY.md

[ThatGuyLLC]

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The Security Council has approved a new SECURITY.md aligned with the bug-bounty process. Please update your project’s SECURITY.md with the correct links for your project and confirm that private vulnerability reporting is enabled for your repository. All bug bounty details found here: https://opensourcecommittee.docs.intersectmbo.org/about/paid-open-source-model-posm/bug-bounty-program'

Description

Checklist

• [ ] Commit sequence broadly makes sense and commits have useful messages
• [ ] New tests are added if needed and existing tests are updated
• [ ] All visible changes are prepended to the latest section of a CHANGELOG.md for the affected packages. New section is never added with the code changes. (See RELEASING.md)
• [ ] When applicable, versions are updated in .cabal and CHANGELOG.md files according to the versioning process.
• [ ] The version bounds in .cabal files for all affected packages are updated. If you change the bounds in a cabal file, that package itself must have a version increase. (See RELEASING.md)
• [ ] Self-reviewed the diff