Update Python deps to most recent for Python 3.8

Author: manics

dev-requirements-jl4.txt

@@ -1,3 +1,3 @@
 -r dev-requirements.txt
-jupyterlab==4.2.5
-jupyter_server==2.13.0
+jupyterlab==4.3.8
+jupyter_server==2.14.2

dev-requirements.txt

@@ -1,10 +1,10 @@
-build==1.1.1
+build==1.2.2.post1
 jupyter_packaging==0.12.3
 flaky==3.8.1
-nbclassic==1.0.0
-pre-commit==2.21.0
-pytest==7.4.4
-selenium==4.11.2
-traitlets==5.9.0
-wheel==0.42.0
+nbclassic==1.2.0
+pre-commit==3.5.0
+pytest==8.3.5
+selenium==4.27.1
+traitlets==5.14.3
+wheel==0.45.1
 # jupyterlab and jupyter_server are installed separately so we can test multiple versions