Typo in comments - There is a typo in the comments of the cost.go file

[xiu111]

Describe the bug
错别字
Reproduce steps
Typo in comments - There is a typo in the comments of the cost.go file, where "ambigious" is spelled incorrectly as "amibiguous". This should be corrected to maintain consistency and clarity in the codebase.
其中“ambigious”拼写错误为“amibiguous”。这一点应该加以纠正，以保持代码库的一致性和清晰度。

Expected behavior

Screenshots

Environment (please complete the following information):

• K8S Version: [e.g. 1.19]
• Crane Version: [e.g. 0.1.0]
• Browser [e.g. chrome, safari]

[qmhu]

Thanks