Add ONNX Support and Benchmarks

What's Changed

• Update version of the sopt library by @tkoskela in #434
• use namespace with ORT lib by @20DM in #435
• Sync version number by @20DM in #436
• Add CRR model to Forward Backward Algorithm by @mmcleod89 in #421
• Update version number for new release by @mmcleod89 in #437
• Fix building of benchmarks by @tkoskela in #433
• Update README.md by @tkoskela in #431
• Primal Dual debugging by @mmcleod89 in #438
• Fix normalisation of initial guess by @mmcleod89 in #439
• Propagate external ONNXrt config by @20DM in #440
• ORT options consistency by @20DM in #441
• Set number of threads used by ONNX runtime by @tkoskela in #442
• Mm/onnx parameter tweaks by @mmcleod89 in #443
• Add gradient helper for stochastic algorithm by @20DM in #444
• Add Fedora image by @20DM in #432

Full Changelog: v4.2.0...v5.0.0