Update .NET Framework images for August 2026 release - #1316

The action reviewdog/action-setup@d8a7baabd7f3e8544ee4dbde3ee41d0011c3a93f is not allowed in microsoft/dotnet-framework-docker because all actions must be from a repository owned by your enterprise, created by GitHub, or match one of the patterns: gaurav-nelson/github-action-markdown-link-check@v1, reviewdog/action-setup@v1, umbrelladocs/action-linkspector@v1.