Remove Net6 and add Net 9 in release Build

Author: patrick-dmxc

.github/workflows/release.yml

@@ -14,9 +14,9 @@ jobs:
       uses: actions/[email protected]
       with:
           dotnet-version: | 
-            6.0.x
-            7.0.x
-            8.0.x
+            7.0
+            8.0
+            9.0
     - name: Install dependencies
       run: dotnet restore
     - name: Build