Change production version to 2024R2

[koubaa]

2024R2 is out on the customer portal

[dipinknair]

• code changes
• CI/CD
  • Update for 24R2 and developer version for nightly
• Documentation
  • Drop 23R1 support

⬇️
#810

• Docker #811

• Examples

  • Embedding ansys/pymechanical-embedding-examples#207
  • Remote ansys/pymechanical-examples#250

• Update cheat sheet ansys/pyansys-cheat-sheet#73