build(deps): bump notebook in /Traffic-Sign-Detection

Bumps [notebook](http://jupyter.org) from 6.4.10 to 6.4.12.

---
updated-dependencies:
- dependency-name: notebook
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Traffic-Sign-Detection/requirements.txt

@@ -56,7 +56,7 @@ nbconvert==6.0.7
 nbformat==5.1.2
 nest-asyncio==1.4.3
 networkx==2.5
-notebook==6.4.10
+notebook==6.4.12
 numba==0.52.0
 numpy==1.22.0rc1
 oauthlib==3.1.0