[CI] Disable testing artifact for Win

.github/workflows/nightly.yml

@@ -110,12 +110,12 @@ jobs:
         cd discord/app-1.0.0
         mkdir modules
 
-    - name: Upload artifact
-      uses: actions/upload-artifact@v2
-      with:
-        name: testing
-        path: app.asar
-        retention-days: 1
+#    - name: Upload artifact
+#      uses: actions/upload-artifact@v2
+#      with:
+#        name: testing
+#        path: app.asar
+#        retention-days: 1
 
     - name: Check if Discord will startup
       run: |
@@ -230,4 +230,4 @@ jobs:
   #       cd discord/app-1.0.0
   #       ./DiscordCanary.exe --enable-logging
   #     timeout-minutes: 5
-  #     shell: bash
+  #     shell: bash