fix: workflows/dev-requirements.txt to reduce vulnerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-BLACK-6256273

workflows/dev-requirements.txt

@@ -1,7 +1,7 @@
 flake8~=3.7
 ipython~=8.10
 jedi~=0.15.0
-black~=19.10b0
+black~=24.3.0
 pytest~=5.3
 pytest-watch~=4.2
 awscli~=1.17