build(deps): bump actions/setup-dotnet from 5 to 6

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>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -32,7 +32,7 @@ jobs:
       # The library multi-targets net8.0/net9.0/net10.0, so all three SDKs are needed to build and
       # run-test every TFM. The latest SDK (10) drives the build.
       - name: Setup .NET (8 / 9 / 10)
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: |
             8.0.x
@@ -85,7 +85,7 @@ jobs:
           fetch-depth: 0
 
       - name: Setup .NET 10
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: 10.0.x
 

.github/workflows/codeql.yml

@@ -26,7 +26,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Setup .NET (8 / 9 / 10)
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: |
             8.0.x

.github/workflows/docs.yml

@@ -36,7 +36,7 @@ jobs:
       # docfx compiles the projects to read the public API; the libraries multi-target
       # net8.0/net9.0/net10.0, so install all three SDKs.
       - name: Setup .NET (8 / 9 / 10)
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: |
             8.0.x

.github/workflows/release.yml

@@ -34,7 +34,7 @@ jobs:
           fetch-depth: 0
 
       - name: Setup .NET (8 / 9 / 10)
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: |
             8.0.x
@@ -98,7 +98,7 @@ jobs:
           fetch-depth: 0
 
       - name: Setup .NET 10
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: 10.0.x