Bump requests from 2.27.1 to 2.31.0 in /libraries/botbuilder-dialogs

Bumps [requests](https://github.com/psf/requests) from 2.27.1 to 2.31.0.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](psf/requests@v2.27.1...v2.31.0)

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

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Author: dependabot[bot]

libraries/botbuilder-dialogs/requirements.txt

@@ -2,7 +2,7 @@ msrest==0.6.*
 botframework-connector==4.15.0
 botbuilder-schema==4.15.0
 botbuilder-core==4.15.0
-requests==2.27.1
+requests==2.31.0
 PyJWT==2.4.0
 cryptography==3.3.2
 aiounittest==1.3.0