Bump lz4-java from 1.7.1 to 1.8.0

Bumps [lz4-java](https://github.com/lz4/lz4-java) from 1.7.1 to 1.8.0.
- [Release notes](https://github.com/lz4/lz4-java/releases)
- [Changelog](https://github.com/lz4/lz4-java/blob/master/CHANGES.md)
- [Commits](lz4/lz4-java@1.7.1...1.8.0)

---
updated-dependencies:
- dependency-name: org.lz4:lz4-java
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

exist-core/pom.xml

@@ -152,7 +152,7 @@
         <dependency>
             <groupId>org.lz4</groupId>
             <artifactId>lz4-java</artifactId>
-            <version>1.7.1</version>
+            <version>1.8.0</version>
         </dependency>
 
         <dependency>