Changes

[Snyk] Security upgrade com.google.guava:guava from 21.0 to 30.0-jre (#140)

Using 30.0-jre manually because the version Snyk suggested is wrong

Co-authored-by: Andrew Berezovskyi <andriib@kth.se>
 (commit: c3c28e4)

[Snyk] Security upgrade org.apache.jena:apache-jena-libs from 3.13.0 to 3.14.0 (#136)

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-ORGAPACHETHRIFT-474610
 (commit: 1210ced)

Bump xercesImpl from 2.8.0 to 2.12.0 in /oslc4j-core-build (#133)

Bumps xercesImpl from 2.8.0 to 2.12.0.

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
 (commit: d881827)