Fix docker build (#9874)
Fix docker build (#9874)

* Update get-pip command in Dockerfile

Co-authored-by: Matt Frazier <1e386330e80c1426aa38a1baff3d7fa0b179a514@virginia.edu>
Co-authored-by: Jon Walz <75adb75cf534c54c29b7042d007969bd93250796@Admins-MBP.lan>
cslzchen/osf.io,aaxelb/osf.io,brianjgeiger/osf.io,CenterForOpenScience/osf.io,aaxelb/osf.io,felliott/osf.io,Johnetordoff/osf.io,brianjgeiger/osf.io,felliott/osf.io,cslzchen/osf.io,aaxelb/osf.io,aaxelb/osf.io,Johnetordoff/osf.io,CenterForOpenScience/osf.io,cslzchen/osf.io,CenterForOpenScience/osf.io,Johnetordoff/osf.io,felliott/osf.io,felliott/osf.io,brianjgeiger/osf.io,cslzchen/osf.io,brianjgeiger/osf.io,CenterForOpenScience/osf.io,Johnetordoff/osf.io