Bump prompt-toolkit from 3.0.39 to 3.0.40

Bumps [prompt-toolkit](https://github.com/prompt-toolkit/python-prompt-toolkit) from 3.0.39 to 3.0.40.
- [Changelog](https://github.com/prompt-toolkit/python-prompt-toolkit/blob/master/CHANGELOG)
- [Commits](https://github.com/prompt-toolkit/python-prompt-toolkit/commits)

---
updated-dependencies:
- dependency-name: prompt-toolkit
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements.txt

@@ -2,7 +2,7 @@ art==6.1
 colorama==0.4.6
 ledgereth==0.9.0
 packaging>=23.1
-prompt_toolkit==3.0.39
+prompt_toolkit==3.0.40
 pygments==2.16.1
 requests==2.31.0
 safe-eth-py==6.0.0b5