Bump xalan:xalan from 2.7.2 to 2.7.3 in /src/etc/poms/ant-junit

Bumps xalan:xalan from 2.7.2 to 2.7.3.

---
updated-dependencies:
- dependency-name: xalan:xalan
  dependency-type: direct:development
...

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