Context

This MR rename endorsement into attestation in protocol errors.

This MR also rename the endorsing rewards into attestation rewards in the balance receipt messages (block metadata).

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)
Provide automatic testing (see the testing guide).
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).
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Edited Jun 21, 2023 by Albin Coquereau