Specify 9.x SDK in CI

Author: thisisnacho

.github/workflows/build-and-package.yml

@@ -10,6 +10,8 @@ jobs:
     steps:
       - name: Install Dotnet
         uses: actions/setup-dotnet@v1
+        with:
+          dotnet-version: 9.x
       - name: Check-out
         uses: actions/checkout@master
       - name: Building (Release)

.github/workflows/test-and-report.yml

@@ -18,6 +18,8 @@ jobs:
         uses: actions/checkout@master
       - name: Install Dotnet
         uses: actions/setup-dotnet@v1
+        with:
+          dotnet-version: 9.x
       - name: Install ReportGenerator
         run: dotnet tool install dotnet-reportgenerator-globaltool --tool-path tools
       - name: Test