Bump guava from 27.0-jre to 29.0-jre

Bumps [guava](https://github.com/google/guava) from 27.0-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] <[email protected]>

Author: dependabot[bot]

bennu-maven-plugin/pom.xml

@@ -77,7 +77,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>17.0</version>
+            <version>29.0-jre</version>
         </dependency>
         <dependency>
             <groupId>org.fenixedu</groupId>

pom.xml

@@ -26,7 +26,7 @@
         <version.org.springframework.spring.webmvc>4.3.18.RELEASE</version.org.springframework.spring.webmvc>
         <version.ch.qos.logback.logback.classic>1.1.3</version.ch.qos.logback.logback.classic>
         <version.com.google.code.gson.gson>2.10</version.com.google.code.gson.gson>
-        <version.com.google.guava.guava>27.0-jre</version.com.google.guava.guava>
+        <version.com.google.guava.guava>29.0-jre</version.com.google.guava.guava>
         <version.com.mitchellbosecke.pebble>2.3.0</version.com.mitchellbosecke.pebble>
         <version.org.apache.tika.tika-core>1.20</version.org.apache.tika.tika-core>
     </properties>