chore: Upgrade to pnpm 9, add conventional commit PR title linting

[rifont]

What changed? Why was the change needed?

• Upgrade to pnpm 9
  • replace all hardcoded versions of local packages with the workspace: directive, a requirement of PNPM v9. This has the benefit of ensuring we only depend on local packages, avoiding difficult-to-debug versioning mismatch issues.
• add conventional commit PR title linting
• update publish script to use nx release version, which updates the workspace: directive for packages to an actual version. These actual version changes should be reverted after publishing to NPM.

Screenshots

Add NX Version release to publish script (dry-run publish) NB: we should look at upgrading to NX v19 to take advantage of their advanced release script capability.

Bad Conventional Commit types

Bad Conventional Commit Scope

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