build(deps): Bump fabric from 1.15 to 2.7.1

Bumps [fabric](https://github.com/fabric/fabric) from 1.15 to 2.7.1.
- [Release notes](https://github.com/fabric/fabric/releases)
- [Commits](fabric/fabric@1.15.0...2.7.1)

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

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

requirements/local.txt

@@ -40,7 +40,7 @@ pyopenssl # for running dev server under https
 
 # Deployment
 # ------------------------------------------------------------------------------
-Fabric==1.15 # https://github.com/fabric/fabric
+Fabric==2.7.1 # https://github.com/fabric/fabric
 
 celery==5.2.7
 django-celery-results==2.3.1