Rename workflow from Nightly to TU31 Release

.github/workflows/TU31.yml

@@ -1,10 +1,10 @@
-name: Nightly Release
+name: TU31 Release
 
 on:
   workflow_dispatch: 
   push:
     branches:
-    - 'main'
+    - 'TU31'
     paths:
       - '**'
       - '!.gitignore'
@@ -16,7 +16,7 @@ permissions:
   contents: write
 
 concurrency:
-  group: nightly
+  group: TU31
   cancel-in-progress: true
 
 jobs:
@@ -86,7 +86,7 @@ jobs:
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       with:
-        tag_name: nightly
+        tag_name: TU31
         name: Nightly Client Release
         body: |
           Requires at least Windows 7 and DirectX 11 compatible GPU to run.