Bump elf from 0.7.3 to 0.7.4

Bumps [elf](https://github.com/cole14/rust-elf) from 0.7.3 to 0.7.4.
- [Release notes](https://github.com/cole14/rust-elf/releases)
- [Changelog](https://github.com/cole14/rust-elf/blob/master/CHANGELOG.md)
- [Commits](cole14/rust-elf@v0.7.3...v0.7.4)

---
updated-dependencies:
- dependency-name: elf
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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