bump flake8 version in env and req-devs files

Author: MarcoGorelli

environment.yml

@@ -84,7 +84,7 @@ dependencies:
   # code checks
   - black=22.3.0
   - cpplint
-  - flake8=5.0.4
+  - flake8=6.0.0
   - flake8-bugbear=22.7.1 # used by flake8, find likely bugs
   - isort>=5.2.1  # check that imports are in the right order
   - mypy=0.990
@@ -124,5 +124,8 @@ dependencies:
   - pyyaml
   - requests
 
+  # build the interactive terminal
+  - jupyterlab >=3.4,<4
   - pip:
+      - jupyterlite==0.1.0b12
       - sphinx-toggleprompt

requirements-dev.txt

@@ -63,7 +63,7 @@ flask
 asv
 black==22.3.0
 cpplint
-flake8==5.0.4
+flake8==6.0.0
 flake8-bugbear==22.7.1
 isort>=5.2.1
 mypy==0.990
@@ -96,5 +96,7 @@ markdown
 feedparser
 pyyaml
 requests
+jupyterlab >=3.4,<4
+jupyterlite==0.1.0b12
 sphinx-toggleprompt
 setuptools>=51.0.0