Bump axios in /dotnet/samples/Demos/ProcessFrameworkWithSignalR

Bumps [axios](https://github.com/axios/axios) from 1.12.0 to 1.15.0.
- [Release notes](https://github.com/axios/axios/releases)
- [Changelog](https://github.com/axios/axios/blob/v1.x/CHANGELOG.md)
- [Commits](axios/axios@v1.12.0...v1.15.0)

---
updated-dependencies:
- dependency-name: axios
  dependency-version: 1.15.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

dotnet/samples/Demos/ProcessFrameworkWithSignalR/package-lock.json

@@ -1,5 +1,5 @@
 {
   "dependencies": {
-    "axios": "^1.12.0"
+    "axios": "^1.15.0"
   }
 }