fix: requirements/dev.txt to reduce vulnerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-NBCONVERT-14463457

Author: snyk-bot

requirements/dev.txt

@@ -10,7 +10,7 @@ ipython>=8.10.0 # not directly required, pinned by Snyk to avoid a vulnerability
 jinja2>=3.1.3 # not directly required, pinned by Snyk to avoid a vulnerability
 jupyter-core>=4.11.2 # not directly required, pinned by Snyk to avoid a vulnerability
 mistune>=2.0.3 # not directly required, pinned by Snyk to avoid a vulnerability
-nbconvert>=6.3.0b0 # not directly required, pinned by Snyk to avoid a vulnerability
+nbconvert>=7.17.0 # not directly required, pinned by Snyk to avoid a vulnerability
 notebook>=6.4.12 # not directly required, pinned by Snyk to avoid a vulnerability
 prompt-toolkit>=3.0.13 # not directly required, pinned by Snyk to avoid a vulnerability
 pygments>=2.15.0 # not directly required, pinned by Snyk to avoid a vulnerability