Install dotnet LTS for --allow-downgrade switch

Author: kzu

.github/workflows/build.yml

@@ -124,12 +124,10 @@ jobs:
           name: pkg
           path: bin
 
-      - name: ⚙ dotnet
+      - name: ⚙️ dotnet
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: |
-            8.x
-            9.x
+          dotnet-version: '8.0.x'
 
       - name: 🚀 sleet
         env:

.github/workflows/publish.yml

@@ -108,6 +108,11 @@ jobs:
           name: pkg
           path: bin
 
+      - name: ⚙️ dotnet
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: '8.0.x'
+
       - name: 🚀 sleet
         env:
           SLEET_CONNECTION: ${{ secrets.SLEET_CONNECTION }}