[conan-center] CRLF hook should not read build folders

[uilianries]

The Conan Center CI reuses Windows workspace when building packages, thus when a job starts and the hook KB-H060 (CRLF) runs, it also looks into cached build folders from test_package, causing errors like this one: conan-io/conan-center-index#6074 (comment)

What should be done: Skip all build folders, or even test_package from that hook.