Bump aspectj.version from 1.9.7.M3 to 1.9.9.1

Bumps `aspectj.version` from 1.9.7.M3 to 1.9.9.1.

Updates `aspectjrt` from 1.9.7.M3 to 1.9.9.1
- [Release notes](https://github.com/eclipse/org.aspectj/releases)
- [Commits](https://github.com/eclipse/org.aspectj/commits)

Updates `aspectjtools` from 1.9.7.M3 to 1.9.9.1
- [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:aspectjtools
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pom.xml

@@ -47,7 +47,7 @@
     <redirectTestOutputToFile>true</redirectTestOutputToFile>
     <project.build.outputTimestamp>2020-08-24T00:30:49Z</project.build.outputTimestamp>
     <junit.version>4.13.2</junit.version>
-    <aspectj.version>1.9.7.M3</aspectj.version>
+    <aspectj.version>1.9.9.1</aspectj.version>
     <errorprone.version>2.6.0</errorprone.version>
   </properties>