Update requests requirement from >=2.21.0 to >=2.34.0 in /requirements

Updates the requirements on [requests](https://github.com/psf/requests) to permit the latest version.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](psf/requests@v2.21.0...v2.34.0)

---
updated-dependencies:
- dependency-name: requests
  dependency-version: 2.34.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements/azure.txt

@@ -2,5 +2,5 @@
 # see https://github.com/nteract/papermill/issues/825
 azure-datalake-store >= 0.0.30,< 2.0.0
 azure-storage-blob >= 12.1.0
-requests >= 2.21.0
+requests >= 2.34.0
 azure-identity>=1.3.1

requirements/dev.txt

@@ -12,7 +12,7 @@ pytest>=4.1
 pytest-cov>=2.6.1
 pytest-mock>=1.10
 pytest-env>=0.6.2
-requests >= 2.21.0
+requests >= 2.34.0
 check-manifest
 attrs>=17.4.0
 pre-commit