build(deps): bump external/bpf_conformance from 41ec319 to 1bc5d19 (

#440)

Bumps [external/bpf_conformance](https://github.com/Alan-Jowett/bpf_conformance) from `41ec319` to `1bc5d19`.
- [Release notes](https://github.com/Alan-Jowett/bpf_conformance/releases)
- [Commits](Alan-Jowett/bpf_conformance@41ec319...1bc5d19)

---
updated-dependencies:
- dependency-name: external/bpf_conformance
  dependency-type: direct:production
...

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