build(deps): bump express from 4.21.0 to 4.21.1

Bumps [express](https://github.com/expressjs/express) from 4.21.0 to 4.21.1.
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/4.21.1/History.md)
- [Commits](expressjs/express@4.21.0...4.21.1)

---
updated-dependencies:
- dependency-name: express
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

packages/backend-middleware/package.json

@@ -41,7 +41,7 @@
     "@types/jest": "^29.5.13",
     "@types/node": "^22.7.5",
     "axios": "^1.7.7",
-    "express": "^4.21.0",
+    "express": "^4.21.1",
     "js-logger": "^1.6.1"
   },
   "devDependencies": {

yarn.lock

@@ -2238,7 +2238,7 @@ __metadata:
     axios: "npm:^1.7.7"
     commit-and-tag-version: "npm:^12.4.4"
     concurrently: "npm:^9.0.1"
-    express: "npm:^4.21.0"
+    express: "npm:^4.21.1"
     jest: "npm:^29.7.0"
     js-logger: "npm:^1.6.1"
     ts-jest: "npm:^29.2.5"
@@ -6481,6 +6481,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"cookie@npm:0.7.1":
+  version: 0.7.1
+  resolution: "cookie@npm:0.7.1"
+  checksum: 10/aec6a6aa0781761bf55d60447d6be08861d381136a0fe94aa084fddd4f0300faa2b064df490c6798adfa1ebaef9e0af9b08a189c823e0811b8b313b3d9a03380
+  languageName: node
+  linkType: hard
+
 "copy-webpack-plugin@npm:^12.0.2":
   version: 12.0.2
   resolution: "copy-webpack-plugin@npm:12.0.2"
@@ -8225,7 +8232,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"express@npm:^4.19.2, express@npm:^4.21.0":
+"express@npm:^4.19.2":
   version: 4.21.0
   resolution: "express@npm:4.21.0"
   dependencies:
@@ -8264,6 +8271,45 @@ __metadata:
   languageName: node
   linkType: hard
 
+"express@npm:^4.21.1":
+  version: 4.21.1
+  resolution: "express@npm:4.21.1"
+  dependencies:
+    accepts: "npm:~1.3.8"
+    array-flatten: "npm:1.1.1"
+    body-parser: "npm:1.20.3"
+    content-disposition: "npm:0.5.4"
+    content-type: "npm:~1.0.4"
+    cookie: "npm:0.7.1"
+    cookie-signature: "npm:1.0.6"
+    debug: "npm:2.6.9"
+    depd: "npm:2.0.0"
+    encodeurl: "npm:~2.0.0"
+    escape-html: "npm:~1.0.3"
+    etag: "npm:~1.8.1"
+    finalhandler: "npm:1.3.1"
+    fresh: "npm:0.5.2"
+    http-errors: "npm:2.0.0"
+    merge-descriptors: "npm:1.0.3"
+    methods: "npm:~1.1.2"
+    on-finished: "npm:2.4.1"
+    parseurl: "npm:~1.3.3"
+    path-to-regexp: "npm:0.1.10"
+    proxy-addr: "npm:~2.0.7"
+    qs: "npm:6.13.0"
+    range-parser: "npm:~1.2.1"
+    safe-buffer: "npm:5.2.1"
+    send: "npm:0.19.0"
+    serve-static: "npm:1.16.2"
+    setprototypeof: "npm:1.2.0"
+    statuses: "npm:2.0.1"
+    type-is: "npm:~1.6.18"
+    utils-merge: "npm:1.0.1"
+    vary: "npm:~1.1.2"
+  checksum: 10/5d4a36dd03c1d1cce93172e9b185b5cd13a978d29ee03adc51cd278be7b4a514ae2b63e2fdaec0c00fdc95c6cfb396d9dd1da147917ffd337d6cd0778e08c9bc
+  languageName: node
+  linkType: hard
+
 "extend@npm:^3.0.0":
   version: 3.0.2
   resolution: "extend@npm:3.0.2"