chore: update Python version from 3.9 to 3.11

This will fix security bugs that aren't fixed in version 3.9 of Debian
Bullseye, these are considered old CVEs that will never be fixed in these
old versions.

Signed-off-by: Jonathan Gonzalez V <jonathan.gonzalez@enterprisedb.com>

Author: sxd

.github/workflows/update.yml

@@ -22,7 +22,7 @@ jobs:
 
       - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
         with:
-          python-version: 3.9
+          python-version: 3.11
 
       - name: Run update script
         uses: nick-fields/retry@ce71cc2ab81d554ebbe88c79ab5975992d79ba08 # v3