Use github: specifier instead of URL for cytoscape

[aranke]

Description

Bypass SSH cloning issues by using the native GitHub format, avoid this error in workflow to update docs in dbt-core:

npm ERR! Error while executing:
npm ERR! /usr/bin/git ls-remote -h -t ssh://git@github.com/dbt-labs/cytoscape.js.git
npm ERR! 
npm ERR! git@github.com: Permission denied (publickey).
npm ERR! fatal: Could not read from remote repository.
npm ERR! 
npm ERR! Please make sure you have the correct access rights
npm ERR! and the repository exists.
npm ERR! 
npm ERR! exited with error code: 128

https://github.com/dbt-labs/dbt-docs/actions/runs/9501441754/job/26187282464#step:7:537

Checklist

• I have read the contributing guide and understand what's expected of me
• I have signed the CLA
• I have run this code in development and it appears to resolve the stated issue
• I have opened an issue to add/update docs, or docs changes are not required/relevant for this PR
• I have run changie new to create a changelog entry

[github-actions]

Thank you for your pull request! We could not find a changelog entry for this change. For details on how to document a change, see the contributing guide.