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As they now finally released a new official version of the Eclipse plugin, we can update to the newest version of GJF. The Eclipse plugin is only available for version 1.11. But, as the IntelliJ plugin for 1.11 has not been released yet (and I use the plugin to format the code), I only updated to version 1.10. The update to 1.11 will follow as soon as the IntelliJ plugin is released.

Updates the GJF version used in the CI.

Reformats the code using GJF 1.10.

Resolves #389. Closes #395.