Bug: CVE 2023-33201 (BouncyCastle)

Related to planning#1101 (closed)

Moved plugin version numbers to "Properties" and updated following dependencies and plugins:

Dependencies
bouncycastle: 1.7.36 -> 1.75
mockito: 5.1.1 -> 5.4.0
junit: 5.9.2 -> 5.9.3

Plugins
maven.source-plugin: 3.2.1 -> 3.3.0
maven.gpg-plugin: 3.0.1 -> 3.1.0
maven.surefire-plugin: 3.0.0 -> 3.1.2