CI: fix Gitpod image build (#21570)
CI: fix Gitpod image build (#21570)

Fixes gh-21551
pdebuyl/numpy,rgommers/numpy,rgommers/numpy,rgommers/numpy,mhvk/numpy,mhvk/numpy,numpy/numpy,mattip/numpy,endolith/numpy,mhvk/numpy,anntzer/numpy,anntzer/numpy,pdebuyl/numpy,charris/numpy,mattip/numpy,numpy/numpy,charris/numpy,charris/numpy,mhvk/numpy,endolith/numpy,charris/numpy,rgommers/numpy,numpy/numpy,mattip/numpy,pdebuyl/numpy,mattip/numpy,anntzer/numpy,pdebuyl/numpy,numpy/numpy,anntzer/numpy,endolith/numpy,endolith/numpy,mhvk/numpy