[release/5.0] Add DO-NOT-SIGN comment for files that should not be signed#41218

NikolaMilosavljevic merged 1 commit intorelease/5.0dotnet/runtime:release/5.0from

backport/pr-41185-to-release/5.0dotnet/runtime:backport/pr-41185-to-release/5.0Copy head branch name to clipboard