NeqSim 2.5.16

Added support for Java 8.

What's Changed

• ci: use default codeql setup by @jorgenengelsen in #229
• style: format with black by @asmfstatoil in #232
• style: run pre-commit on all files by @asmfstatoil in #234
• feat: support java 8, 11 and 21 by @asmfstatoil in #224
• version 2.5.16 by @EvenSol in #235

Full Changelog: v2.5.15...v2.5.16