Bump notebook from 6.0.3 to 6.4.12

Bumps [notebook](http://jupyter.org) from 6.0.3 to 6.4.12.

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

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

Author: dependabot[bot]

requirements.txt

@@ -48,7 +48,7 @@ nbclient==0.5.10; python_version >= '3.7'
 nbconvert==6.4.0; python_version >= '3.7'
 nbformat==5.1.3; python_version >= '3.5'
 nest-asyncio==1.5.4; python_version >= '3.5'
-notebook==6.1.6; python_version >= '3.5'
+notebook==6.4.12; python_version >= '3.5'
 numpy==1.21.5; python_version < '3.11' and python_version >= '3.7'
 packaging==21.3; python_version >= '3.6'
 pandas==1.3.5; python_full_version >= '3.7.1'