Update prompt-toolkit requirement from ~=3.0.30 to ~=3.0.31

Updates the requirements on [prompt-toolkit](https://github.com/prompt-toolkit/python-prompt-toolkit) to permit the latest version.
- [Release notes](https://github.com/prompt-toolkit/python-prompt-toolkit/releases)
- [Changelog](https://github.com/prompt-toolkit/python-prompt-toolkit/blob/master/CHANGELOG)
- [Commits](prompt-toolkit/python-prompt-toolkit@3.0.30...3.0.31)

---
updated-dependencies:
- dependency-name: prompt-toolkit
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -92,7 +92,7 @@ Pillow~=9.2.0
 pluggy~=1.0.0
 portalocker~=2.5.1
 prometheus-client~=0.14.1
-prompt-toolkit~=3.0.30
+prompt-toolkit~=3.0.31
 protobuf~=4.21.5
 psutil~=5.9.1
 pure-eval~=0.2.2