Proto: change consensus_rights_delay to 1

This MR changes consensus_rights_delay from 2 to 1.

How

Adopt the following MRs:

• !11568 (merged) Proto: change consensus_rights_delay from 5 to 2
• !14396 (merged) Proto: update cache related constants + !15990 (merged) Proto: replace max_slashing_period with denunciation_period and slashing_delay
• !11774 (merged) Proto: add test for a new consensus_rights_delay constant

Manually testing the MR

dune exec tezt/tests/main.exe -- --file protocol_migration.ml -m "protocol migration for consensus_rights_delay shortening" --verbose

Checklist

• Document the interface of any function added or modified (see the coding guidelines)
• 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).
• Select suitable reviewers using the Reviewers field below.
• Select as Assignee the next person who should take action on that MR