Update ROCC dependencies May 2021

[tschaffter]

Repositories

• [x] https://github.com/Sage-Bionetworks/rocc
• [x] https://github.com/Sage-Bionetworks/rocc-schemas
• [x] https://github.com/Sage-Bionetworks/rocc-app
• [x] https://github.com/Sage-Bionetworks/rocc-client-angular
• [x] https://github.com/Sage-Bionetworks/rocc-client-python
• [x] https://github.com/Sage-Bionetworks/rocc-infra

Additional actions

• Configure repos to require at least one review before merging PR
• Enable auto-merging PRs
• PRs created by dependabot should be notified to the GH team Sage-Bionetworks/rocc-maitainers
• ~Configure dependabot to use rbt labels~ (work in progress)

[tschaffter]

Done