add pip to rquired packages in pyproject.toml

13 jobs for bugfix/addpip2required in 7 minutes and 50 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Test
passed #244965
duneci
debian-11-gcc-9-17-python

00:06:20

passed #244956
duneci
debian:10 clang-7-libcpp-17

00:04:11

passed #244954
duneci
debian:10 gcc-7-17

00:04:59

passed #244964
iset:avx duneci
debian:10 gcc-7-17--expensive

00:05:59

passed #244955
duneci
debian:10 gcc-8-noassert-17

00:02:47

passed #244958
duneci
debian:11 gcc-10-20

00:05:43

passed #244957
duneci
debian:11 gcc-9-20

00:07:49

passed #244959
duneci
ubuntu:18.04 clang-5-17

00:01:53

passed #244960
duneci
ubuntu:18.04 clang-6-17

00:04:04

passed #244963
duneci
ubuntu:20.04 clang-10-20

00:02:17

passed #244962
duneci
ubuntu:20.04 gcc-10-20

00:03:56

passed #244961
duneci
ubuntu:20.04 gcc-9-20

00:03:11

 
  Downstream
passed system-test