ruby.rpmlintrc: Ignore a false positive missing-call-to-chdir-with-chroot error.
    
    The `chroot` in the `dir.c` is just used as a Ruby binding `Dir.chroot`
    for the function.
    
    Ignore the following error.
    
    ```
    ruby-libs.x86_64: E: missing-call-to-chdir-with-chroot /usr/lib64/libruby.so.3.0.1
    ```