Bump aes-gcm from be0d6c2 to 5eb6d1a (#925)

Bumps [aes-gcm](https://github.com/RustCrypto/AEADs) from `be0d6c2` to `5eb6d1a`.
- [Release notes](https://github.com/RustCrypto/AEADs/releases)
- [Commits](RustCrypto/AEADs@be0d6c2...5eb6d1a)

---
updated-dependencies:
- dependency-name: aes-gcm
  dependency-type: direct:production
...

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

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