fix: use dotnet 9 for dotnet pack

Author: loekensgard

.github/workflows/publish-dotnet.yml

@@ -3,7 +3,7 @@ name: Publish dotnet Templates
 on:
   push:
     tags:
-      - 'dotnet-v*'
+      - "dotnet-v*"
 
 jobs:
   publish:
@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: '5.0.x'
+          dotnet-version: "9.0.x"
       - name: Pack
         run: |
           cd dotnet