build: bump immutable from 5.1.4 to 5.1.5 in /src/ContentProcessorWeb

Bumps [immutable](https://github.com/immutable-js/immutable-js) from 5.1.4 to 5.1.5.
- [Release notes](https://github.com/immutable-js/immutable-js/releases)
- [Changelog](https://github.com/immutable-js/immutable-js/blob/main/CHANGELOG.md)
- [Commits](immutable-js/immutable-js@v5.1.4...v5.1.5)

---
updated-dependencies:
- dependency-name: immutable
  dependency-version: 5.1.5
  dependency-type: indirect
...

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

Author: dependabot[bot]

src/ContentProcessorWeb/package-lock.json

@@ -4702,7 +4702,7 @@ content-type@~1.0.4, content-type@~1.0.5:
     "@reduxjs/toolkit" "^2.11.2"
     axios "^1.13.5"
     babel-preset-react-app "^10.1.0"
-    contentprocessor_web "file:../../../../../.cache/yarn/v6/npm-contentprocessor-web-0.1.0-6e6bfdcb-dfbd-496d-8508-18b9caa5a489-1772557938591/node_modules/contentprocessor_web"
+    contentprocessor_web "file:."
     cra-template-typescript "1.3.0"
     json-edit-react "^1.29.0"
     node-forge ">=1.3.3"
@@ -6689,9 +6689,9 @@ immer@^9.0.7:
   integrity sha512-bc4NBHqOqSfRW7POMkHd51LvClaeMXpm8dx0e8oE2GORbq5aRK7Bxl4FyzVLdGtLmvLKL7BTDBG5ACQm4HWjTA==
 
 immutable@^5.0.2:
-  version "5.1.4"
-  resolved "https://registry.npmjs.org/immutable/-/immutable-5.1.4.tgz"
-  integrity sha512-p6u1bG3YSnINT5RQmx/yRZBpenIl30kVxkTLDyHLIMk0gict704Q9n+thfDI7lTRm9vXdDYutVzXhzcThxTnXA==
+  version "5.1.5"
+  resolved "https://registry.yarnpkg.com/immutable/-/immutable-5.1.5.tgz#93ee4db5c2a9ab42a4a783069f3c5d8847d40165"
+  integrity sha512-t7xcm2siw+hlUM68I+UEOK+z84RzmN59as9DZ7P1l0994DKUWV7UXBMQZVxaoMSRQ+PBZbHCOoBt7a2wxOMt+A==
 
 import-fresh@^3.1.0, import-fresh@^3.2.1:
   version "3.3.1"