Bump actions/setup-dotnet from 5.2.0 to 6.0.0 (#1716)

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

.github/workflows/copilot-setup-steps.yml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Install .NET SDK
-        uses: actions/setup-dotnet@v5.2.0
+        uses: actions/setup-dotnet@a98b56852c35b8e3190ac28c8c2271da59106c68 # v6.0.0
         with:
           global-json-file: global.json