build(deps): bump express from 4.21.1 to 4.21.2

Bumps [express](https://github.com/expressjs/express) from 4.21.1 to 4.21.2.
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/4.21.2/History.md)
- [Commits](expressjs/express@4.21.1...4.21.2)

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

Signed-off-by: dependabot[bot] <[email protected]>

packages/backend-middleware/package.json

@@ -41,7 +41,7 @@
     "@types/jest": "^29.5.14",
     "@types/node": "^22.10.1",
     "axios": "^1.7.9",
-    "express": "^4.21.1",
+    "express": "^4.21.2",
     "js-logger": "^1.6.1"
   },
   "devDependencies": {

yarn.lock

@@ -1978,7 +1978,7 @@ __metadata:
     axios: "npm:^1.7.9"
     commit-and-tag-version: "npm:^12.5.0"
     concurrently: "npm:^9.1.0"
-    express: "npm:^4.21.1"
+    express: "npm:^4.21.2"
     jest: "npm:^29.7.0"
     js-logger: "npm:^1.6.1"
     ts-jest: "npm:^29.2.5"
@@ -8091,7 +8091,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"express@npm:^4.19.2, express@npm:^4.21.1":
+"express@npm:^4.19.2":
   version: 4.21.1
   resolution: "express@npm:4.21.1"
   dependencies:
@@ -8130,6 +8130,45 @@ __metadata:
   languageName: node
   linkType: hard
 
+"express@npm:^4.21.2":
+  version: 4.21.2
+  resolution: "express@npm:4.21.2"
+  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:0.1.12"
+    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: 10/34571c442fc8c9f2c4b442d2faa10ea1175cf8559237fc6a278f5ce6254a8ffdbeb9a15d99f77c1a9f2926ab183e3b7ba560e3261f1ad4149799e3412ab66bd1
+  languageName: node
+  linkType: hard
+
 "extend@npm:^3.0.0":
   version: 3.0.2
   resolution: "extend@npm:3.0.2"
@@ -12312,6 +12351,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"path-to-regexp@npm:0.1.12":
+  version: 0.1.12
+  resolution: "path-to-regexp@npm:0.1.12"
+  checksum: 10/2e30f6a0144679c1f95c98e166b96e6acd1e72be9417830fefc8de7ac1992147eb9a4c7acaa59119fb1b3c34eec393b2129ef27e24b2054a3906fc4fb0d1398e
+  languageName: node
+  linkType: hard
+
 "path-type@npm:^3.0.0":
   version: 3.0.0
   resolution: "path-type@npm:3.0.0"