build(deps): bump axios and @pyroscope/nodejs in /examples/nodejs

Removes [axios](https://github.com/axios/axios). It's no longer used after updating ancestor dependency [@pyroscope/nodejs](https://github.com/grafana/pyroscope-nodejs). These dependencies need to be updated together.


Removes `axios`

Updates `@pyroscope/nodejs` from 0.4.3 to 0.4.5
- [Release notes](https://github.com/grafana/pyroscope-nodejs/releases)
- [Commits](grafana/pyroscope-nodejs@v0.4.3...v0.4.5)

---
updated-dependencies:
- dependency-name: axios
  dependency-version: 
  dependency-type: indirect
- dependency-name: "@pyroscope/nodejs"
  dependency-version: 0.4.5
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]