Add Contributor Covenant Code of Conduct and update dependencies

[TristramN]

• Added CODE_OF_CONDUCT.md based on Contributor Covenant v2.1 to establish community standards.
• Upgraded typescript-eslint dependencies to v8.57.1 for bug fixes and improvements.
• Adjusted node-version in GitHub Actions workflows to 22 for compatibility.
• Updated lint script in package.json to use .eslint.json flat config.

[Copilot]

Pull request overview

This PR adds community and security policy documentation updates while aligning tooling/runtime configuration (ESLint + TypeScript ESLint + GitHub Actions Node version) and modernizing the release workflow.

Changes:

• Added CODE_OF_CONDUCT.md (Contributor Covenant v2.1) and updated SECURITY.md reporting instructions.
• Updated typescript-eslint to ^8.57.1 (and regenerated lockfile).
• Updated GitHub Actions workflows to use Node 22, and adjusted linting/release steps (including switching release creation to gh release create and enabling npm provenance).

Reviewed changes

Copilot reviewed 6 out of 7 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
package.json	Updates the lint script and bumps typescript-eslint to ^8.57.1.
package-lock.json	Lockfile updates for the typescript-eslint bump (and related transitive updates).
SECURITY.md	Replaces generic maintainer contact guidance with a concrete security reporting email address.
CODE_OF_CONDUCT.md	Adds Contributor Covenant v2.1 code of conduct for community standards/enforcement.
AGENTS.md	Simplifies agent guidance to a concise “Conventions” section with common commands.
.github/workflows/test.yml	Pins CI Node runtime to 22.
.github/workflows/deploy.yml	Pins Node to 22, switches GitHub Release creation to gh CLI, and enables npm publish --provenance.

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[Copilot]

Pull request overview

This PR adds community governance documentation and modernizes the project’s tooling/CI configuration (ESLint/TypeScript-ESLint, Node version, and release/publish workflow).

Changes:

• Add Contributor Covenant v2.1 CODE_OF_CONDUCT.md and update SECURITY.md reporting instructions.
• Upgrade typescript-eslint from 8.57.0 → 8.57.1 (lockfile updated accordingly).
• Standardize GitHub Actions on Node.js 22 and adjust the deploy workflow to create releases via gh and publish to npm with provenance.

Reviewed changes

Copilot reviewed 6 out of 7 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
package.json	Updates lint script and bumps typescript-eslint patch version.
package-lock.json	Locks typescript-eslint patch update and transitive updates.
SECURITY.md	Updates vulnerability reporting contact method.
CODE_OF_CONDUCT.md	Adds Contributor Covenant Code of Conduct (v2.1).
AGENTS.md	Simplifies/replaces prior “rules” section with concise project conventions.
.github/workflows/test.yml	Pins CI tests to Node.js 22.
.github/workflows/deploy.yml	Pins deploy to Node.js 22; switches release creation to gh; enables npm provenance publishing.

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