chore(deps): bump sequelize from 6.14.0 to 6.15.0

Bumps [sequelize](https://github.com/sequelize/sequelize) from 6.14.0 to 6.15.0.
- [Release notes](https://github.com/sequelize/sequelize/releases)
- [Commits](https://github.com/sequelize/sequelize/compare/v6.14.0...v6.15.0)

---
updated-dependencies:
- dependency-name: sequelize
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -19,7 +19,7 @@
     "node-fetch": "^3.2.0",
     "redis": "^3.1.2",
     "require-reload": "^0.2.2",
-    "sequelize": "^6.14.0",
+    "sequelize": "^6.15.0",
     "sqlite3": "^5.0.2"
   },
   "devDependencies": {

yarn.lock

@@ -1324,10 +1324,10 @@ sequelize-pool@^7.1.0:
   resolved "https://registry.yarnpkg.com/sequelize-pool/-/sequelize-pool-7.1.0.tgz#210b391af4002762f823188fd6ecfc7413020768"
   integrity sha512-G9c0qlIWQSK29pR/5U2JF5dDQeqqHRragoyahj/Nx4KOOQ3CPPfzxnfqFPCSB7x5UgjOgnZ61nSxz+fjDpRlJg==
 
-sequelize@^6.14.0:
-  version "6.14.0"
-  resolved "https://registry.yarnpkg.com/sequelize/-/sequelize-6.14.0.tgz#aeec994fb4f789a2180aa58c722d23b65116a96c"
-  integrity sha512-rgfJFixBwnrxdouIlYS1G0nTo2xj+Gyn7EDn/miE6r5xCzN3EdjtbNrDXapLHNZxgKfu7hZHLzZvwl3DbfhM6g==
+sequelize@^6.15.0:
+  version "6.15.0"
+  resolved "https://registry.yarnpkg.com/sequelize/-/sequelize-6.15.0.tgz#536874e327ab412ff4688bce7c45eabecc151df6"
+  integrity sha512-Ks2jSaKMfICZ8jMlhH401fLw5ikE8Vqt6slcR2peKOn4lA3H+LRfXdlnAl/CUDO1MflFl7PhifnzPxwhamciGQ==
   dependencies:
     "@types/debug" "^4.1.7"
     debug "^4.3.3"