Bump external/ubpf from f5e6778 to 0aa26cd (#4100)

Bumps [external/ubpf](https://github.com/iovisor/ubpf) from `f5e6778` to `0aa26cd`.
- [Commits](iovisor/ubpf@f5e6778...0aa26cd)

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

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