Bump 3rdparty/bpftool from 687e7f0 to b0e69ac

Bumps [3rdparty/bpftool](https://github.com/libbpf/bpftool) from `687e7f0` to `b0e69ac`.
- [Release notes](https://github.com/libbpf/bpftool/releases)
- [Commits](libbpf/bpftool@687e7f0...b0e69ac)

---
updated-dependencies:
- dependency-name: 3rdparty/bpftool
  dependency-type: direct:production
...

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