Bump prompt-toolkit from 3.0.48 to 3.0.50

Bumps [prompt-toolkit](https://github.com/prompt-toolkit/python-prompt-toolkit) from 3.0.48 to 3.0.50.
- [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@3.0.48...3.0.50)

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

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

requirements.txt

@@ -3,7 +3,7 @@ colorama==0.4.6
 hexbytes==0.3.1
 ledgereth==0.10.0
 packaging>=23.1
-prompt_toolkit==3.0.48
+prompt_toolkit==3.0.50
 pygments==2.18.0
 requests==2.32.3
 safe-eth-py==6.3.0