chore(deps): bump aws from 2.28.20 to 2.28.21 (#473)

Bumps `aws` from 2.28.20 to 2.28.21.

Updates `software.amazon.awssdk:sts` from 2.28.20 to 2.28.21

Updates `software.amazon.awssdk:iam` from 2.28.20 to 2.28.21

Updates `software.amazon.awssdk:s3` from 2.28.20 to 2.28.21

Updates `software.amazon.awssdk:secretsmanager` from 2.28.20 to 2.28.21

---
updated-dependencies:
- dependency-name: software.amazon.awssdk:sts
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: software.amazon.awssdk:iam
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: software.amazon.awssdk:s3
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: software.amazon.awssdk:secretsmanager
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

gradle/libs.versions.toml

@@ -3,7 +3,7 @@ format.version = "1.1"
 
 [versions]
 awaitility = "4.2.1"
-aws = "2.28.20"
+aws = "2.28.21"
 bouncyCastle-jdk18on = "1.78.1"
 edc = "0.10.0-SNAPSHOT"
 failsafe = "3.3.1"