Update actions/setup-dotnet action to v6 (#48)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

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

@@ -27,7 +27,7 @@ jobs:
           persist-credentials: false
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: 10.0.x
 

.github/workflows/codeql.yml

@@ -31,7 +31,7 @@ jobs:
           persist-credentials: false
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: '10.x'
 

.github/workflows/publish-package.yml

@@ -45,7 +45,7 @@ jobs:
           } >> "$GITHUB_ENV"
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: 10.0.x