Bump guava from 29.0-jre to 30.0-jre (#566)

Bumps [guava](https://github.com/google/guava) from 29.0-jre to 30.0-jre.
- [Release notes](https://github.com/google/guava/releases)
- [Commits](https://github.com/google/guava/commits)

Signed-off-by: dependabot[bot] <[email protected]>

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

Author: dependabot[bot]

typescript-generator-core/pom.xml

@@ -159,7 +159,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>29.0-jre</version>
+            <version>30.0-jre</version>
             <scope>test</scope>
         </dependency>
         <dependency>