Bump com.arangodb:arangodb-java-driver from 6.7.2 to 7.20.0

Bumps [com.arangodb:arangodb-java-driver](https://github.com/arangodb/arangodb-java-driver) from 6.7.2 to 7.20.0.
- [Release notes](https://github.com/arangodb/arangodb-java-driver/releases)
- [Changelog](https://github.com/arangodb/arangodb-java-driver/blob/main/ChangeLog.md)
- [Commits](arangodb/arangodb-java-driver@v6.7.2...v7.20.0)

---
updated-dependencies:
- dependency-name: com.arangodb:arangodb-java-driver
  dependency-version: 7.20.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

service/build.gradle

@@ -375,7 +375,7 @@ dependencies {
 
 	// ### Test ###
 
-	testImplementation 'com.arangodb:arangodb-java-driver:6.7.2'
+	testImplementation 'com.arangodb:arangodb-java-driver:7.20.0'
 	testImplementation 'com.github.kbase:java_test_utilities:0.1.0'
 	testImplementation "com.github.kbase:auth2:$VER_AUTH2_SHADOW"
 	testImplementation 'com.github.zafarkhaja:java-semver:0.9.0'