core: bump requests-oauthlib from 1.3.1 to 1.4.0 (#8866)

Bumps [requests-oauthlib](https://github.com/requests/requests-oauthlib) from 1.3.1 to 1.4.0.
- [Release notes](https://github.com/requests/requests-oauthlib/releases)
- [Changelog](https://github.com/requests/requests-oauthlib/blob/master/HISTORY.rst)
- [Commits](https://github.com/requests/requests-oauthlib/compare/v1.3.1...v1.4.0)

---
updated-dependencies:
- dependency-name: requests-oauthlib
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

poetry.lock

@@ -3350,13 +3350,13 @@ test = ["fixtures", "mock", "purl", "pytest", "requests-futures", "sphinx", "tes
 
 [[package]]
 name = "requests-oauthlib"
-version = "1.3.1"
+version = "1.4.0"
 description = "OAuthlib authentication support for Requests."
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 files = [
-    {file = "requests-oauthlib-1.3.1.tar.gz", hash = "sha256:75beac4a47881eeb94d5ea5d6ad31ef88856affe2332b9aafb52c6452ccf0d7a"},
-    {file = "requests_oauthlib-1.3.1-py2.py3-none-any.whl", hash = "sha256:2577c501a2fb8d05a304c09d090d6e47c306fef15809d102b327cf8364bddab5"},
+    {file = "requests-oauthlib-1.4.0.tar.gz", hash = "sha256:acee623221e4a39abcbb919312c8ff04bd44e7e417087fb4bd5e2a2f53d5e79a"},
+    {file = "requests_oauthlib-1.4.0-py2.py3-none-any.whl", hash = "sha256:7a3130d94a17520169e38db6c8d75f2c974643788465ecc2e4b36d288bf13033"},
 ]
 
 [package.dependencies]