Bump actions/setup-dotnet from 5 to 6 (#2057)

Bumps [actions/setup-dotnet](https://github.com/actions/setup-dotnet) from 5 to 6.
- [Release notes](https://github.com/actions/setup-dotnet/releases)
- [Commits](actions/setup-dotnet@v5...v6)

---
updated-dependencies:
- dependency-name: actions/setup-dotnet
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -50,7 +50,7 @@ jobs:
         echo "max_connections = 500" >> "$PGDATA/postgresql.conf"
         pg_ctl restart --pgdata="$PGDATA" --wait
     - name: Setup .NET
-      uses: actions/setup-dotnet@v5
+      uses: actions/setup-dotnet@v6
       with:
         dotnet-version: |
           8.0.*
@@ -159,7 +159,7 @@ jobs:
     - name: Tune GitHub-hosted runner network
       uses: smorimoto/tune-github-hosted-runner-network@v1
     - name: Setup .NET
-      uses: actions/setup-dotnet@v5
+      uses: actions/setup-dotnet@v6
       with:
         dotnet-version: |
           8.0.*
@@ -217,7 +217,7 @@ jobs:
     - name: Tune GitHub-hosted runner network
       uses: smorimoto/tune-github-hosted-runner-network@v1
     - name: Setup .NET
-      uses: actions/setup-dotnet@v5
+      uses: actions/setup-dotnet@v6
       with:
         dotnet-version: |
           8.0.*

.github/workflows/codeql.yml

@@ -27,7 +27,7 @@ jobs:
         language: [ 'csharp' ]
     steps:
     - name: Setup .NET
-      uses: actions/setup-dotnet@v5
+      uses: actions/setup-dotnet@v6
       with:
         dotnet-version: |
           8.0.*

.github/workflows/qodana.yml

@@ -24,7 +24,7 @@ jobs:
       checks: write
     steps:
     - name: Setup .NET
-      uses: actions/setup-dotnet@v5
+      uses: actions/setup-dotnet@v6
       with:
         dotnet-version: |
           8.0.*