Update dependency express to ^4.21.1 (main) (elastic#195495)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [express](http://expressjs.com/)
([source](https://togithub.com/expressjs/express)) | devDependencies |
patch | [`^4.21.0` ->
`^4.21.1`](https://renovatebot.com/diffs/npm/express/4.21.0/4.21.1) |

---

### Release Notes

<details>
<summary>expressjs/express (express)</summary>

###
[`v4.21.1`](https://togithub.com/expressjs/express/releases/tag/4.21.1)

[Compare
Source](https://togithub.com/expressjs/express/compare/4.21.0...4.21.1)

#### What's Changed

- Backport a fix for CVE-2024-47764 to the 4.x branch by
[@&elastic#8203;joshbuker](https://togithub.com/joshbuker) in
[https://github.com/expressjs/express/pull/6029](https://togithub.com/expressjs/express/pull/6029)
- Release: 4.21.1 by
[@&elastic#8203;UlisesGascon](https://togithub.com/UlisesGascon) in
[https://github.com/expressjs/express/pull/6031](https://togithub.com/expressjs/express/pull/6031)

**Full Changelog**:
expressjs/express@4.21.0...4.21.1

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR has been generated by [Renovate
Bot](https://togithub.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy40MjUuMSIsInVwZGF0ZWRJblZlciI6IjM3LjQyNS4xIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJyZWxlYXNlX25vdGU6c2tpcCIsInRlYW06b2JzLWVudGl0aWVzIl19-->

Co-authored-by: elastic-renovate-prod[bot] <174716857+elastic-renovate-prod[bot]@users.noreply.github.com>
Co-authored-by: Milton Hultgren <[email protected]>

package.json

@@ -1720,7 +1720,7 @@
     "exit-hook": "^2.2.0",
     "expect": "^29.7.0",
     "expose-loader": "^0.7.5",
-    "express": "^4.21.0",
+    "express": "^4.21.1",
     "faker": "^5.1.0",
     "fetch-mock": "^7.3.9",
     "file-loader": "^4.2.0",

yarn.lock

@@ -14890,10 +14890,10 @@ [email protected]:
   resolved "https://registry.yarnpkg.com/cookie-signature/-/cookie-signature-1.0.6.tgz#e303a882b342cc3ee8ca513a79999734dab3ae2c"
   integrity sha1-4wOogrNCzD7oylE6eZmXNNqzriw=
 
-cookie@0.6.0:
-  version "0.6.0"
-  resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.6.0.tgz#2798b04b071b0ecbff0dbb62a505a8efa4e19051"
-  integrity sha512-U71cyTamuh1CRNCfpGY6to28lxvNwPG4Guz/EVjgf3Jmzv0vlDp1atT9eS5dDjMYHucpHbWns6Lwf3BKz6svdw==
+cookie@0.7.1:
+  version "0.7.1"
+  resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.7.1.tgz#2f73c42142d5d5cf71310a74fc4ae61670e5dbc9"
+  integrity sha512-6DnInpx7SJ2AK3+CTUE/ZM0vWTUboZCegxhC2xiIydHR9jNuTAASBrfEpHhiGOZw/nX51bHt6YQl8jsGo4y/0w==
 
 cookie@^0.5.0:
   version "0.5.0"
@@ -17871,17 +17871,17 @@ expr-eval@^2.0.2:
   resolved "https://registry.yarnpkg.com/expr-eval/-/expr-eval-2.0.2.tgz#fa6f044a7b0c93fde830954eb9c5b0f7fbc7e201"
   integrity sha512-4EMSHGOPSwAfBiibw3ndnP0AvjDWLsMvGOvWEZ2F96IGk0bIVdjQisOHxReSkE13mHcfbuCiXw+G4y0zv6N8Eg==
 
-express@^4.17.1, express@^4.17.3, express@^4.18.2, express@^4.21.0:
-  version "4.21.0"
-  resolved "https://registry.yarnpkg.com/express/-/express-4.21.0.tgz#d57cb706d49623d4ac27833f1cbc466b668eb915"
-  integrity sha512-VqcNGcj/Id5ZT1LZ/cfihi3ttTn+NJmkli2eZADigjq29qTlWi/hAQ43t/VLPq8+UX06FCEx3ByOYet6ZFblng==
+express@^4.17.1, express@^4.17.3, express@^4.18.2, express@^4.21.1:
+  version "4.21.1"
+  resolved "https://registry.yarnpkg.com/express/-/express-4.21.1.tgz#9dae5dda832f16b4eec941a4e44aa89ec481b281"
+  integrity sha512-YSFlK1Ee0/GC8QaO91tHcDxJiE/X4FbpAyQWkxAvG6AXCuR65YzK8ua6D9hvi/TzUfZMpc+BwuM1IPw8fmQBiQ==
   dependencies:
     accepts "~1.3.8"
     array-flatten "1.1.1"
     body-parser "1.20.3"
     content-disposition "0.5.4"
     content-type "~1.0.4"
-    cookie "0.6.0"
+    cookie "0.7.1"
     cookie-signature "1.0.6"
     debug "2.6.9"
     depd "2.0.0"