Update actions/setup-dotnet action to v5 (nhibernate#3706)

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

Author: renovate[bot]

.github/workflows/GenerateAsyncCode.yml

@@ -19,7 +19,7 @@ jobs:
         repository: ${{ github.event.pull_request.head.repo.full_name }}
 
     - name: Setup .NET
-      uses: actions/setup-dotnet@v4
+      uses: actions/setup-dotnet@v5
       with:
         dotnet-version: 8.0.x
 

.github/workflows/NetCoreTests.yml

@@ -64,7 +64,7 @@ jobs:
       run: ${{matrix.DB_INIT}}
 
     - name: Set up .NET
-      uses: actions/setup-dotnet@v4
+      uses: actions/setup-dotnet@v5
       with:
         dotnet-version: 8.0.x