chore(deps): Bump express and @types/express (#1323)

Bumps [express](https://github.com/expressjs/express) and [@types/express](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/express). These dependencies needed to be updated together.

Updates `express` from 5.1.0 to 5.2.1
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/master/History.md)
- [Commits](expressjs/express@v5.1.0...v5.2.1)

Updates `@types/express` from 5.0.5 to 5.0.6
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/express)

---
updated-dependencies:
- dependency-name: express
  dependency-version: 5.2.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: "@types/express"
  dependency-version: 5.0.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pnpm-lock.yaml

@@ -9,7 +9,7 @@
     "@sap-ai-sdk/ai-api": "workspace:^",
     "@sap-ai-sdk/foundation-models": "workspace:^",
     "@sap-ai-sdk/orchestration": "workspace:^",
-    "express": "^5.2.0",
+    "express": "^5.2.1",
     "@sap/xssec": "^4.11.2",
     "@sap/cds": "^9.5.1"
   },

sample-cap/package.json

@@ -34,8 +34,8 @@
     "@sap-ai-sdk/orchestration": "workspace:^",
     "@sap-ai-sdk/prompt-registry": "workspace:^",
     "@sap-cloud-sdk/util": "^4.2.0",
-    "@types/express": "^5.0.5",
-    "express": "^5.2.0",
+    "@types/express": "^5.0.6",
+    "express": "^5.2.1",
     "uuid": "^13.0.0",
     "zod": "^4.1.13"
   }

sample-code/package.json

@@ -26,13 +26,13 @@
     "@sap-ai-sdk/orchestration": "canary",
     "@sap-ai-sdk/prompt-registry": "canary",
     "@sap-cloud-sdk/util": "^4.2.0",
-    "express": "^5.2.0",
+    "express": "^5.2.1",
     "langchain": "^1.1.2",
     "uuid": "^13.0.0",
     "zod": "^4.1.12"
   },
   "devDependencies": {
-    "@types/express": "^5.0.5",
+    "@types/express": "^5.0.6",
     "dotenv": "^17.2.3",
     "dotenv-cli": "^11.0.0"
   },