Sync API client from cli@18c5d47

[planetscale-cli]

Automated sync of the API client from planetscale/cli@18c5d47.

The client in the cli repo (internal/planetscale) is the source of
truth; this repo is a read-only mirror for external module users.

Review the API report below before merging. If it lists incompatible
changes, the next tag needs to reflect that.

gorelease report (base: v0.178.0)

# github.com/planetscale/planetscale-go/planetscale
## incompatible changes
PostgresBranchClusterResizeRequest: old is comparable, new is not
PostgresBranchesService.CancelChanges: added
PostgresBranchesService.GetChange: added
PostgresBranchesService.ListChanges: added
PostgresBranchesService.ListParameters: added
ResizePostgresBranchRequest: old is comparable, new is not
## compatible changes
(*PostgresBranchClusterResizeRequest).Finished: added
(*postgresBranchesService).CancelChanges: added
(*postgresBranchesService).GetChange: added
(*postgresBranchesService).ListChanges: added
(*postgresBranchesService).ListParameters: added
CancelPostgresBranchChangesRequest: added
GetPostgresBranchChangeRequest: added
ListPostgresBranchChangesRequest: added
ListPostgresParametersRequest: added
PostgresBranchChangeStateCanceled: added
PostgresBranchChangeStateCompleted: added
PostgresBranchClusterResizeRequest.Parameters: added
PostgresBranchClusterResizeRequest.PreviousParameters: added
PostgresParameter: added
ResizePostgresBranchRequest.Parameters: added
WithSearch: added
WithStatus: added

# summary
Suggested version: v0.179.0