Relax LGTMs
Relax LGTMs

There has been a request to relax the number of LGTMs in the
tools projects to help improve merge rate.

Signed-off-by: Chris Aniszczyk <2a3e0ec6821d10bf53e535c46e422f24d94584b5@gmail.com>

opencontainers/image-tools,opencontainers/image-tools