Update dependency @types/express to v4.17.12 (#445)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

package.json

@@ -23,7 +23,7 @@
     "@sourcegraph/prettierrc": "^3.0.3",
     "@sourcegraph/tsconfig": "^4.0.1",
     "@sourcegraph/tslint-config": "^13.4.0",
-    "@types/express": "4.17.11",
+    "@types/express": "4.17.12",
     "@types/got": "9.6.11",
     "@types/highlight.js": "9.12.4",
     "@types/ini": "1.3.30",

yarn.lock

@@ -953,10 +953,10 @@
     "@types/qs" "*"
     "@types/range-parser" "*"
 
-"@types/express@4.17.11":
-  version "4.17.11"
-  resolved "https://registry.npmjs.org/@types/express/-/express-4.17.11.tgz#debe3caa6f8e5fcda96b47bd54e2f40c4ee59545"
-  integrity sha512-no+R6rW60JEc59977wIxreQVsIEOAYwgCqldrA/vkpCnbD7MqTefO97lmoBe4WE0F156bC4uLSP1XHDOySnChg==
+"@types/express@4.17.12":
+  version "4.17.12"
+  resolved "https://registry.npmjs.org/@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"