Run `chmod -x` on files that need not be executable.
Signed-off-by: Dimitri Papadopoulos <3234522+DimitriPapadopoulos@users.noreply.github.com>
Signed-off-by: Alexander Schwartz <aschwart@redhat.com>
Co-authored-by: Alexander Schwartz <aschwart@redhat.com>