Context

This MR only focus on renaming endorsement into attestation in types and related function through the protocol codebase

A second MR (!9440 (merged)) will follow to rename the remaining occurrences of endorsement.

Manually testing the MR

CI green

n/a Document the interface of any function added or modified (see the coding guidelines)
n/a Document any change to the user interface, including configuration parameters (see node configuration)
n/a Provide automatic testing (see the testing guide).
n/a For new features and bug fixes, add an item in the appropriate changelog (docs/protocols/alpha.rst for the protocol and the environment, CHANGES.rst at the root of the repository for everything else).
Select suitable reviewers using the Reviewers field below.
Select as Assignee the next person who should take action on that MR

Edited Jul 12, 2023 by Albin Coquereau