Bump github.com/vmware/go-ipfix from 0.8.0 to 0.8.1 (#235)

Bumps [github.com/vmware/go-ipfix](https://github.com/vmware/go-ipfix) from 0.8.0 to 0.8.1.
- [Release notes](https://github.com/vmware/go-ipfix/releases)
- [Changelog](https://github.com/vmware/go-ipfix/blob/main/CHANGELOG.md)
- [Commits](https://github.com/vmware/go-ipfix/compare/v0.8.0...v0.8.1

)

---
updated-dependencies:
- dependency-name: github.com/vmware/go-ipfix
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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