refactor: Package bump from v7 to v8

[dudong2]

Description

• package bump from v7 to v8

Closes: #XXXX

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Author Checklist

All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.

I have...

• targeted the correct branch (see PR Targeting)
• provided a link to the relevant issue or specification
• included the necessary unit and integration tests
• reviewed "Files changed" and left comments if necessary

Reviewers Checklist

All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.

I have...

• confirmed all author checklist items have been addressed
• reviewed state machine logic
• reviewed API design and naming
• reviewed documentation is accurate
• reviewed tests and test coverage
• manually tested (if applicable)

[zsystm]

LGTM.

• Build and run works.
• No v7 in the code except upgrade related codes.
• Just to be sure, I also checked the v6 --> v7 bump PR, and everything seems fine.