[FEATURE REQUEST] Update the access boundary rules limit

[flyrain]

Is your feature request related to a problem? Please describe.

No response

Describe the solution you'd like

Update the limit to 10 per google's doc, https://cloud.google.com/iam/docs/downscoping-short-lived-credentials, and the related comment.

A Credential Access Boundary can contain up to 10 access boundary rules. You can apply only one Credential Access Boundary to each short-lived credential.

Describe alternatives you've considered

No response

Additional context

No response

[flyrain]

The original slack thread: https://apache-iceberg.slack.com/archives/C07HADW86HZ/p1724091181546359

[snazy]

@flyrain is this a problem in the implementation?

[flyrain]

The current limit(8) is fine, as it is less than the real limit(10).