Bump actions/setup-dotnet from 4.3.1 to 5.0.0 (#6479)

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

Author: dependabot[bot]

.github/workflows/post-release.yml

@@ -50,7 +50,7 @@ jobs:
         ref: ${{ github.event.repository.default_branch }}
 
     - name: Setup .NET
-      uses: actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9 # v4.3.1
+      uses: actions/setup-dotnet@d4c94342e560b34958eacfc5d055d21461ed1c5d # v5.0.0
 
     - name: Push packages and publish release
       shell: pwsh