chore(deps): update dependency @types/express to v4.17.21 (#166)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

packages/backend/package.json

@@ -46,7 +46,7 @@
   "devDependencies": {
     "@backstage/cli": "^0.25.1",
     "@types/dockerode": "3.3.23",
-    "@types/express": "4.17.15",
+    "@types/express": "4.17.21",
     "@types/express-serve-static-core": "4.17.32",
     "@types/luxon": "3.1.0"
   },

yarn.lock

@@ -11015,7 +11015,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/express-serve-static-core@npm:*, @types/express-serve-static-core@npm:^4.17.31, @types/express-serve-static-core@npm:^4.17.33, @types/express-serve-static-core@npm:^4.17.5":
+"@types/express-serve-static-core@npm:*, @types/express-serve-static-core@npm:^4.17.33, @types/express-serve-static-core@npm:^4.17.5":
   version: 4.17.41
   resolution: "@types/express-serve-static-core@npm:4.17.41"
   dependencies:
@@ -11038,7 +11038,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/express@npm:*, @types/express@npm:^4.17.13, @types/express@npm:^4.17.6":
+"@types/express@npm:*, @types/express@npm:4.17.21, @types/express@npm:^4.17.13, @types/express@npm:^4.17.6":
   version: 4.17.21
   resolution: "@types/express@npm:4.17.21"
   dependencies:
@@ -11050,18 +11050,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/express@npm:4.17.15":
-  version: 4.17.15
-  resolution: "@types/express@npm:4.17.15"
-  dependencies:
-    "@types/body-parser": "npm:*"
-    "@types/express-serve-static-core": "npm:^4.17.31"
-    "@types/qs": "npm:*"
-    "@types/serve-static": "npm:*"
-  checksum: a230500a0bcf47d090a6a254873325145ad29fb7513c1688aa7376d3ac3cddf4e6478e77e7c0273349260f26b2767ff403368b8ec4e3e72a6dc17159ba1bddb2
-  languageName: node
-  linkType: hard
-
 "@types/graceful-fs@npm:^4.1.3":
   version: 4.1.9
   resolution: "@types/graceful-fs@npm:4.1.9"
@@ -13167,7 +13155,7 @@ __metadata:
     "@gitbeaker/node": "npm:35.7.0"
     "@octokit/rest": "npm:18.12.0"
     "@types/dockerode": "npm:3.3.23"
-    "@types/express": "npm:4.17.15"
+    "@types/express": "npm:4.17.21"
     "@types/express-serve-static-core": "npm:4.17.32"
     "@types/luxon": "npm:3.1.0"
     app: "link:../app"