Bump elsa from 1.8.1 to 1.9.0 in /src/agent (#3411)

Bumps [elsa](https://github.com/manishearth/elsa) from 1.8.1 to 1.9.0.
- [Commits](Manishearth/elsa@v1.8.1...v1.9.0)

---
updated-dependencies:
- dependency-name: elsa
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

src/agent/Cargo.lock

@@ -6,7 +6,7 @@ license = "MIT"
 
 [dependencies]
 anyhow = "1.0"
-elsa = "1.8.1"
+elsa = "1.9.0"
 gimli = "0.27.2"
 goblin = "0.6"
 iced-x86 = "1.20"