Bump external/elfio from de7f2aa to 6ec6850 in the actions group (#396)

Bumps the actions group with 1 update: [external/elfio](https://github.com/serge1/ELFIO).


Updates `external/elfio` from `de7f2aa` to `6ec6850`
- [Release notes](https://github.com/serge1/ELFIO/releases)
- [Commits](serge1/ELFIO@de7f2aa...6ec6850)

---
updated-dependencies:
- dependency-name: external/elfio
  dependency-version: 6ec68503de92edab434cdb032fe45e63b8758f02
  dependency-type: direct:production
  dependency-group: actions
...

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

Author: dependabot[bot]