Bump devalue from 5.6.4 to 5.8.1 in /src/ifctester/webapp

Bumps [devalue](https://github.com/sveltejs/devalue) from 5.6.4 to 5.8.1.
- [Release notes](https://github.com/sveltejs/devalue/releases)
- [Changelog](https://github.com/sveltejs/devalue/blob/main/CHANGELOG.md)
- [Commits](https://github.com/sveltejs/devalue/compare/v5.6.4...v5.8.1)

---
updated-dependencies:
- dependency-name: devalue
  dependency-version: 5.8.1
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
(cherry picked from commit a111c68d44)

src/ifctester/webapp/package-lock.json

@@ -1715,9 +1715,9 @@
       }
     },
     "node_modules/devalue": {
-      "version": "5.6.4",
-      "resolved": "https://registry.npmjs.org/devalue/-/devalue-5.6.4.tgz",
-      "integrity": "sha512-Gp6rDldRsFh/7XuouDbxMH3Mx8GMCcgzIb1pDTvNyn8pZGQ22u+Wa+lGV9dQCltFQ7uVw0MhRyb8XDskNFOReA==",
+      "version": "5.8.1",
+      "resolved": "https://registry.npmjs.org/devalue/-/devalue-5.8.1.tgz",
+      "integrity": "sha512-4CXDYRBGqN+57wVJkuXBYmpAVUSg3L6JAQa/DFqm238G73E1wuyc/JhGQJzN7vUf/CMphYau2zXbfWzDR5aTEw==",
       "license": "MIT"
     },
     "node_modules/engine.io-client": {