CATROID-1630 Fix Robolectric tests

[Kale2605]

Raise roboelectric Version to not clash with Java Version

https://catrobat.atlassian.net/browse/CATROID-1630?atlOrigin=eyJpIjoiMDE3OTBkZmY5NWQ0NGI3NWJlYjc2YjRmOGY4MDM0OTYiLCJwIjoiaiJ9

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[Frajhamster]

lgtm