Bump nbgitpuller from 0.10.1 to 1.1.0

Bumps [nbgitpuller](https://github.com/jupyterhub/nbgitpuller) from 0.10.1 to 1.1.0.
- [Release notes](https://github.com/jupyterhub/nbgitpuller/releases)
- [Changelog](https://github.com/jupyterhub/nbgitpuller/blob/main/CHANGELOG.md)
- [Commits](jupyterhub/nbgitpuller@0.10.1...1.1.0)

---
updated-dependencies:
- dependency-name: nbgitpuller
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements.txt

@@ -1,5 +1,5 @@
 nbzip==0.1.0
-nbgitpuller==0.10.1
+nbgitpuller==1.1.0
 atomate==0.9.9
 robocrys==0.2.7
 crystal-toolkit==2021.4.29