Bump guava from 28.0-jre to 29.0-jre in /integration_tests (#3292)

Bumps [guava](https://github.com/google/guava) from 28.0-jre to 29.0-jre.
- [Release notes](https://github.com/google/guava/releases)
- [Commits](https://github.com/google/guava/commits)

---
updated-dependencies:
- dependency-name: com.google.guava:guava
  dependency-type: direct:development
...

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

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

integration_tests/pom.xml

@@ -143,7 +143,7 @@
                          to run with, so here we override Guava version for testing -->
                     <groupId>com.google.guava</groupId>
                     <artifactId>guava</artifactId>
-                    <version>28.0-jre</version>
+                    <version>29.0-jre</version>
                     <scope>test</scope>
                 </dependency>
                 <dependency>