Update PYTHON_VERSION_JUPYTER to match PYTHON_VERSION_ALT

Closes #613

The current `just` automation to update python versions does not
currently apply to `PYTHON_VERSION_JUPYTER`.

This is a one-off fix until we address this fully in #590

Author: bschwedler

workbench/.env

@@ -3,6 +3,6 @@ RSW_DOWNLOAD_URL=https://download2.rstudio.org/server/bionic/amd64
 RSW_NAME=rstudio-workbench
 PYTHON_VERSION=3.9.17
 PYTHON_VERSION_ALT=3.8.17
-PYTHON_VERSION_JUPYTER=3.8.15
+PYTHON_VERSION_JUPYTER=3.8.17
 R_VERSION_ALT=4.1.3
 R_VERSION=4.2.3

workbench/Dockerfile.ubuntu2204

@@ -12,7 +12,7 @@ ARG R_VERSION=4.2.3
 ARG R_VERSION_ALT=4.1.3
 ARG PYTHON_VERSION=3.9.17
 ARG PYTHON_VERSION_ALT=3.8.17
-ARG PYTHON_VERSION_JUPYTER=3.8.15
+ARG PYTHON_VERSION_JUPYTER=3.8.17
 ARG RSW_VERSION=2023.06.1+524.pro1
 ARG RSW_NAME=rstudio-workbench
 ARG RSW_DOWNLOAD_URL=https://download2.rstudio.org/server/jammy/amd64