Revert "register" to "registr"

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

.codespellrc

@@ -1,2 +1,2 @@
 [codespell]
-ignore-words-list = aNULL,brose,doub,Udo,re-use,re-used
+ignore-words-list = aNULL,brose,doub,Udo,re-use,re-used,registr

group_vars/matrix_servers

@@ -5721,7 +5721,7 @@ matrix_registration_api_validate_certs: "{{ matrix_playbook_ssl_enabled }}"
 # Postgres is the default, except if not using internal Postgres server
 matrix_registration_database_engine: "{{ 'postgres' if postgres_enabled else 'sqlite' }}"
 matrix_registration_database_hostname: "{{ postgres_connection_hostname if postgres_enabled else '' }}"
-matrix_registration_database_password: "{{ '%s' | format(matrix_homeserver_generic_secret_key) | password_hash('sha512', 'mx.register.db', rounds=655555) | to_uuid }}"
+matrix_registration_database_password: "{{ '%s' | format(matrix_homeserver_generic_secret_key) | password_hash('sha512', 'mx.registr.db', rounds=655555) | to_uuid }}"
 
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