Bump url-parse from 1.5.1 to 1.5.4 in /ui/pi-web-agent-app (#211)

Bumps [url-parse](https://github.com/unshiftio/url-parse) from 1.5.1 to 1.5.4.
- [Release notes](https://github.com/unshiftio/url-parse/releases)
- [Commits](unshiftio/url-parse@1.5.1...1.5.4)

---
updated-dependencies:
- dependency-name: url-parse
  dependency-type: indirect
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]