Update ipykernel requirement from ~=6.16.0 to ~=6.16.1

Updates the requirements on [ipykernel]() to permit the latest version.

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

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

Author: dependabot[bot]

requirements.txt

@@ -46,7 +46,7 @@ importlib-metadata~=5.0.0; python_version < '3.10'
 importlib-resources~=5.9.0; python_version < '3.9'
 incremental~=22.10.0
 iniconfig~=1.1.1
-ipykernel~=6.16.0
+ipykernel~=6.16.1
 ipython~=8.5.0
 ipython-genutils~=0.2.0
 ipywidgets~=8.0.2