Bump guava from 27.0.1-jre to 29.0-jre in /parent

Bumps [guava](https://github.com/google/guava) from 27.0.1-jre to 29.0-jre.
- [Release notes](https://github.com/google/guava/releases)
- [Commits](https://github.com/google/guava/commits)

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

parent/pom.xml

@@ -410,7 +410,7 @@
       <dependency>
         <groupId>com.google.guava</groupId>
         <artifactId>guava</artifactId>
-        <version>27.0.1-jre</version>
+        <version>29.0-jre</version>
       </dependency>
 
       <dependency>