Bump flexi_logger from 0.25.6 to 0.27.2 in /src/agent

Bumps [flexi_logger](https://github.com/emabee/flexi_logger) from 0.25.6 to 0.27.2.
- [Changelog](https://github.com/emabee/flexi_logger/blob/master/CHANGELOG.md)
- [Commits](https://github.com/emabee/flexi_logger/commits)

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

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

Author: dependabot[bot]

src/agent/Cargo.lock

@@ -80,7 +80,7 @@ azure_storage_blobs = { version = "0.15", default-features = false, features = [
     "enable_reqwest",
 ] }
 
-flexi_logger = "0.25"
+flexi_logger = "0.27"
 schemars = { version = "0.8.12", features = ["uuid1"] }
 
 [dev-dependencies]