Bump org-aspectj from 1.9.20.1 to 1.9.21

Bumps `org-aspectj` from 1.9.20.1 to 1.9.21.

Updates `org.aspectj:aspectjrt` from 1.9.20.1 to 1.9.21
- [Release notes](https://github.com/eclipse/org.aspectj/releases)
- [Commits](https://github.com/eclipse/org.aspectj/commits)

Updates `org.aspectj:aspectjweaver` from 1.9.20.1 to 1.9.21
- [Release notes](https://github.com/eclipse/org.aspectj/releases)
- [Commits](https://github.com/eclipse/org.aspectj/commits)

---
updated-dependencies:
- dependency-name: org.aspectj:aspectjrt
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.aspectj:aspectjweaver
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -6,7 +6,7 @@ io-spring-nohttp = "0.0.11"
 jakarta-websocket = "2.1.1"
 org-apache-directory-server = "1.5.5"
 org-apache-maven-resolver = "1.8.2"
-org-aspectj = "1.9.20.1"
+org-aspectj = "1.9.21"
 org-bouncycastle = "1.70"
 org-eclipse-jetty = "11.0.18"
 org-jetbrains-kotlin = "1.8.22"