Bump external/libbtf from db73a3f to ed0cbde

Bumps [external/libbtf](https://github.com/Alan-Jowett/libbtf) from `db73a3f` to `ed0cbde`.
- [Release notes](https://github.com/Alan-Jowett/libbtf/releases)
- [Commits](Alan-Jowett/libbtf@db73a3f...ed0cbde)

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

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

Author: dependabot[bot]