Security: update NPMs in website/package-lock.json due to security issues

### Description

There are a large number of NPMs with security issues in use - lodash, postcss, inmer, url-parse are ones that pop up a lot in dependabot anayses.

### Motivation

Please provide the following for the desired feature or change:
- A detailed description of the intended use case, if applicable
- Rationale for why the desired feature/change would be beneficial

Start by inspecting website/package-lock.json and the lodash, postcss, inmer, and url-parse entries mentioned in the issue, then review the related Dependabot security findings. Done means the reported vulnerable NPM dependencies are updated in the lockfile and the resulting dependency state is checked.

Written by the indexing model from the issue text.