Update dependency @types/express to v4.17.12

Author: renovate-bot

backend/package.json

@@ -53,7 +53,7 @@
     "@nestjs/cli": "7.6.0",
     "@nestjs/schematics": "7.3.1",
     "@nestjs/testing": "7.6.15",
-    "@types/express": "4.17.11",
+    "@types/express": "4.17.12",
     "@types/jest": "26.0.22",
     "@types/node": "14.14.41",
     "@types/passport-local": "1.0.33",

backend/yarn.lock

@@ -903,10 +903,10 @@
     "@types/qs" "*"
     "@types/serve-static" "*"
 
-"@types/[email protected].11":
-  version "4.17.11"
-  resolved "https://registry.yarnpkg.com/@types/express/-/express-4.17.11.tgz#debe3caa6f8e5fcda96b47bd54e2f40c4ee59545"
-  integrity sha512-no+R6rW60JEc59977wIxreQVsIEOAYwgCqldrA/vkpCnbD7MqTefO97lmoBe4WE0F156bC4uLSP1XHDOySnChg==
+"@types/[email protected].12":
+  version "4.17.12"
+  resolved "https://registry.yarnpkg.com/@types/express/-/express-4.17.12.tgz#4bc1bf3cd0cfe6d3f6f2853648b40db7d54de350"
+  integrity sha512-pTYas6FrP15B1Oa0bkN5tQMNqOcVXa9j4FTFtO8DWI9kppKib+6NJtfTOOLcwxuuYvcX2+dVG6et1SxW/Kc17Q==
   dependencies:
     "@types/body-parser" "*"
     "@types/express-serve-static-core" "^4.17.18"