Updated changelog [skip ci]

Author: ankane

CHANGELOG.md

@@ -3,7 +3,7 @@
 - Switched to ESM
 - Improved types
 - Deprecated `registerType` function for node-postgres (use `registerTypes` instead)
-- Deprecated `registerTypes` function for Sequelize (use `import 'pgvector/sequelize'` instead)
+- Deprecated `registerType` and `registerTypes` functions for Sequelize (use `import 'pgvector/sequelize'` instead)
 - Deprecated `enableExtension` function for Knex.js and Objection.js (use `createExtensionIfNotExists` instead)
 - Removed `utils` module (use main module instead)
 - Dropped support for Node < 22