[Docs][UI-Next] Add date-fns-tz license. (#8907)

dolphinscheduler-dist/release-docs/LICENSE

@@ -632,6 +632,7 @@ MIT licenses
     vite 2.8.4: https://github.com/vitejs/vite MIT
     vite-plugin-compression 0.3.6: https://github.com/vbenjs/vite-plugin-compression MIT
     vue-tsc 0.28.10: https://github.com/johnsoncodehk/volar MIT
+    date-fns-tz 1.3.0: https://github.com/marnusw/date-fns-tz MIT
 
 ========================================
 Apache 2.0 licenses

dolphinscheduler-dist/release-docs/licenses/ui-next-licenses/LICENSE-date-fns-tz

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright © 2018 Marnus Weststrate
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the “Software”), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.