build(deps): bump sequelize from 5.21.11 to 5.21.12

Bumps [sequelize](https://github.com/sequelize/sequelize) from 5.21.11 to 5.21.12.
- [Release notes](https://github.com/sequelize/sequelize/releases)
- [Commits](sequelize/sequelize@v5.21.11...v5.21.12)

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

package.json

@@ -75,7 +75,7 @@
     "pify": "^5.0.0",
     "redis": "^3.0.2",
     "semver": "^7.3.2",
-    "sequelize": "^5.21.11",
+    "sequelize": "^5.21.12",
     "simple-netease-cloud-music": "^0.5.0",
     "uuid": "^3.2.1",
     "winston": "^2.4.0"

yarn.lock

@@ -5788,10 +5788,10 @@ sequelize-pool@^2.3.0:
   resolved "https://registry.yarnpkg.com/sequelize-pool/-/sequelize-pool-2.3.0.tgz#64f1fe8744228172c474f530604b6133be64993d"
   integrity sha512-Ibz08vnXvkZ8LJTiUOxRcj1Ckdn7qafNZ2t59jYHMX1VIebTAOYefWdRYFt6z6+hy52WGthAHAoLc9hvk3onqA==
 
-sequelize@^5.21.11:
-  version "5.21.11"
-  resolved "https://registry.yarnpkg.com/sequelize/-/sequelize-5.21.11.tgz#32ed94aa550ddf3ad4a4c6fe1414a130ab38b952"
-  integrity sha512-ZJw3Hp+NS7iHcTz4fHlKvIBm4I7xYibYRCP4HhSyMB26xgqFYFOXTaeWbHD2UUwAFaksTLw5ntzfpA9kE33SVA==
+sequelize@^5.21.12:
+  version "5.21.12"
+  resolved "https://registry.yarnpkg.com/sequelize/-/sequelize-5.21.12.tgz#859e9cdf2f9d60e69c0f018fc41660fac6b798c1"
+  integrity sha512-WRTXLoH72HQnlEUbKI1Iev2yS1/epg72Chz0fHqk0MLn4Wj2pH/TS01lpMDGQqxZPXCxRGrwk1YxwUw2C0yI9A==
   dependencies:
     bluebird "^3.5.0"
     cls-bluebird "^2.1.0"