Bump guava version to 29.0-jre
<properties>
<javadocAdditionalOptions>-html5 --allow-script-in-comments --no-module-directories</javadocAdditionalOptions>
- <!-- guava 21+ is for java 8 -->
- <guava.version>28.1-jre</guava.version>
+ <guava.version>29.0-jre</guava.version>
<assertj-core.version>3.15.0</assertj-core.version>
</properties>
