Allow slashes in export filename (#6265)

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[cvat-data](https://github.com/opencv/cvat/tree/develop/cvat-data#versioning)
and

[cvat-ui](https://github.com/opencv/cvat/tree/develop/cvat-ui#versioning))

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Co-authored-by: NBoris Sekachev <boris.sekachev@yandex.ru>

CHANGELOG.md

@@ -30,6 +30,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   after they have been uploaded to the server using the TUS protocol  but before an RQ job has been initiated. (<https://github.com/opencv/cvat/pull/5909>)
 - Simultaneous creation of tasks or projects with identical names from backups by multiple users.(<https://github.com/opencv/cvat/pull/5909>)
 - \[Server API\] The `predefined` sorting method for task data uploads (<https://github.com/opencv/cvat/pull/5083>)
+- Allowed slashes in export filenames. (<https://github.com/opencv/cvat/pull/6265>)
 
 ### Security
 - TDB

cvat-core/package.json

 {
   "name": "cvat-core",
-  "version": "9.1.1",
+  "version": "9.1.2",
   "description": "Part of Computer Vision Tool which presents an interface for client-side integration",
   "main": "src/api.ts",
   "scripts": {

cvat-core/src/server-proxy.ts

@@ -731,7 +731,7 @@ function exportDataset(instanceType: 'projects' | 'jobs' | 'tasks') {
         const params: Params = {
             ...enableOrganization(),
             ...configureStorage(targetStorage, useDefaultSettings),
-            ...(name ? { filename: name.replace(/\//g, '_') } : {}),
+            ...(name ? { filename: name } : {}),
             format,
         };