OpenDC v2.3f

Improved scheduling system in OpenDC.

What's Changed

• Add support for schedulers which can receive task state change updates by @sacheendra in #290
• added carbon tests by @DanteNiewenhuis in #292
• Simplified the WorkloadLoader implementation by @DanteNiewenhuis in #294
• Added sampleFraction and submissionTime to the workloadSpec by @DanteNiewenhuis in #295
• Added Fragment scaling by @DanteNiewenhuis in #296
• Updated all out of date github actions by @DanteNiewenhuis in #298

Full Changelog: v2.3e...v2.3f