Asynchronous API calls during scheduling

[macsko]

Enhancement Description

• One-line enhancement description (can be used as a release note): Make API calls during scheduling asynchronous.
• Kubernetes Enhancement Proposal:
• Discussion Link: async API call for NominatedNodeName and pod condition kubernetes#129449, scheduler: output PreEnqueue failures to users kubernetes#130668
• Primary contact (assignee): @macsko
• Responsible SIGs: SIG Scheduling
• Enhancement target (which target equals to which milestone):
  • Alpha release target (x.y): 1.34
  • Beta release target (x.y):
  • Stable release target (x.y):
• Alpha
  • KEP (k/enhancements) update PR(s):
  • Code (k/k) update PR(s):
  • Docs (k/website) update PR(s):

Please keep this description up to date. This will help the Enhancement Team to track the evolution of the enhancement efficiently.

[macsko]

/sig scheduling
/assign