Bump version.aspectj from 1.9.19 to 1.9.20

Bumps `version.aspectj` from 1.9.19 to 1.9.20.

Updates `org.aspectj:aspectjtools` from 1.9.19 to 1.9.20
- [Release notes](https://github.com/eclipse/org.aspectj/releases)
- [Commits](https://github.com/eclipse/org.aspectj/commits)

Updates `org.aspectj:aspectjrt` from 1.9.19 to 1.9.20
- [Release notes](https://github.com/eclipse/org.aspectj/releases)
- [Commits](https://github.com/eclipse/org.aspectj/commits)

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

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

pom.xml

@@ -92,7 +92,7 @@
 
     <!-- AspectJ dependencies -->
     <version.aspectj-maven-plugin>1.14.0</version.aspectj-maven-plugin>
-    <version.aspectj>1.9.19</version.aspectj>
+    <version.aspectj>1.9.20</version.aspectj>
 
     <!-- Excel to DMN converter dependencies -->
     <version.dmn-xlsx-converter>0.3.0</version.dmn-xlsx-converter>