fix(container-analysis): Update createNote.js to replace vulnerability with attestation

[lvoelz]

Update createNote.js to replace references to storing vulnerabilities with storing attestations in the Artifact Analysis documentation, including code samples. The updated code sample will appear in https://cloud.google.com/artifact-analysis/docs/create-notes-occurrences and any other topics that reference it in the google cloud documentation. Additional pull requests will be sent to update the equivalent code samples for Go, Java, Python, and Ruby.

[gemini-code-assist]

Summary of Changes

Hello @lvoelz, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request updates a JavaScript code sample (createNote.js) within the Google Cloud Artifact Analysis documentation. The primary goal is to modernize the example by replacing references and code for creating notes about software vulnerabilities with those for creating notes about attestations. This ensures the documentation provides accurate and up-to-date guidance for users interacting with the Artifact Analysis service.

Highlights

• Documentation Update: The createNote.js code sample, used in Artifact Analysis documentation, has been updated to reflect current practices.
• Vulnerability to Attestation: The code now demonstrates creating notes for "attestations" instead of "vulnerabilities", aligning with updated terminology and functionality.
• Code Sample Refinement: The note object structure was modified, replacing the vulnerability field with an attestation field, including a humanReadableName hint.

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[gemini-code-assist]

Code Review

This pull request updates the createNote.js sample to create an attestation note instead of a vulnerability note. While the change correctly replaces the note type, it introduces a critical issue by using an undefined variable attestationAuthorityName, which will cause the script to fail at runtime. I have provided a specific comment with a suggestion to resolve this.

[briandorsey]

Updated the PR title to make the "conventionalcommits" check happy.

[briandorsey]

LGTM from a samples perspective. Author is subject matter expert in container-analysis.

[wkozlik]

LGTM