chore(deps-dev): bump @sap/cds from 6.8.4 to 8.1.0 (#4869)

Bumps [@sap/cds](https://cap.cloud.sap/) from 6.8.4 to 8.1.0.

---
updated-dependencies:
- dependency-name: "@sap/cds"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

test-packages/e2e-tests/package.json

@@ -34,7 +34,7 @@
     "@sap-cloud-sdk/test-services-e2e": "^3.16.0",
     "@sap-cloud-sdk/test-services-openapi": "^3.16.0",
     "@sap-cloud-sdk/util": "^3.16.0",
-    "@sap/cds": "^8.0.4",
+    "@sap/cds": "^8.1.0",
     "@sap/cds-dk": "7.9.4",
     "axios": "^1.7.2",
     "execa": "^5.0.0",

yarn.lock

@@ -1379,7 +1379,7 @@
     "@sap/hdi-deploy" "^4"
     axios "^1"
 
-"@sap/cds@>=5.6.0", "@sap/cds@^6.1.1", "@sap/cds@^7", "@sap/cds@^8.0.4":
+"@sap/cds@>=5.6.0", "@sap/cds@^6.1.1", "@sap/cds@^7", "@sap/cds@^8.1.0":
   version "6.8.4"
   resolved "https://registry.npmjs.org/@sap/cds/-/cds-6.8.4.tgz#c73adb8e61f9efb4eff705f125a717f214f8e49f"
   integrity sha512-CTf6Y732ABTIAQPwtFZpfLUzZgQLOs9ZqBIrHhFJRx3VQvopfBZlbWAhujz092xETM7u4msZudoUprkmRo0+hg==