Bump sequelize from 5.15.1 to 6.29.0 in /frameworks/JavaScript/express

Bumps [sequelize](https://github.com/sequelize/sequelize) from 5.15.1 to 6.29.0.
- [Release notes](https://github.com/sequelize/sequelize/releases)
- [Commits](https://github.com/sequelize/sequelize/compare/v5.15.1...v6.29.0)

---
updated-dependencies:
- dependency-name: sequelize
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

frameworks/JavaScript/express/package.json

@@ -12,6 +12,6 @@
     "pg": "8.5.0",
     "pg-promise": "10.7.3",
     "pug": "2.0.1",
-    "sequelize": "5.15.1"
+    "sequelize": "6.29.0"
   }
 }