Snapshot panic if numatopology is added and updated in short time before snapshot

[qi-min]

Description

cache snapshot may panic if numa resource changed before first snapshot.

RefreshNumaSchedulerInfoByCrd is called in Snapshot() and ni.NumaSchedulerInfo is read. If numatopology is changed before snapshot is called,

1. numa info is added in addNumaInfo
2. numa info is updated in addNumaInfo and NumaChgFlag is changed to NumaInfoLessFlag
3. snapshot is called
4. NumaSchedulerInfo is nil and program panic

else if ni.NumaChgFlag == NumaInfoLessFlag {
		numaResMap := ni.NumaSchedulerInfo.NumaResMap

Steps to reproduce the issue

Describe the results you received and expected

program is panic in current program.

What version of Volcano are you using?

v1.13

Any other relevant information

No response

[qi-min]

fix has been merged， close issue