Update files for matrix-reminder-bot: adopt the common description for logging verbosity levels

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

docs/configuring-playbook-bot-matrix-reminder-bot.md

@@ -74,6 +74,6 @@ The default logging level for this component is `INFO`. If you want to increase
 ```yaml
 matrix_bot_matrix_reminder_bot_configuration_extension_yaml: |
   logging:
-    # Allowed levels are 'INFO', 'WARNING', 'ERROR', 'DEBUG' where DEBUG is most verbose
-    level: INFO
+    # Valid values: ERROR, WARNING, INFO, DEBUG
+    level: DEBUG
 ```

roles/custom/matrix-bot-matrix-reminder-bot/templates/config.yaml.j2

@@ -63,7 +63,7 @@ blocklist:
 # Logging setup
 logging:
   # Logging level
-  # Allowed levels are 'INFO', 'WARNING', 'ERROR', 'DEBUG' where DEBUG is most verbose
+  # Valid values: ERROR, WARNING, INFO, DEBUG
   level: INFO
   # Configure logging to a file
   file_logging: