Bump actions/setup-dotnet from 5 to 6 (#3885)

Author: dependabot[bot]

.github/workflows/build.yml

@@ -109,7 +109,7 @@ jobs:
         shell: bash
 
       - name: Setup .NET Core SDK
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           global-json-file: global.json
 
@@ -151,7 +151,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Setup .NET Core SDK
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           global-json-file: global.json
 
@@ -187,7 +187,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Setup .NET Core SDK
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           global-json-file: global.json