DXE-6210 Fix artifacts on new pythons

[wzagrajcz]

There appear a problem in newer (3.12+) version of Python in usage of cli-firewall package as it was noticed in recent akamai-docker images:

docker run --rm -w / akamai/shell:v2.33.4 sh -c 'akamai firewall -h'
                ___    __                         _
               /   |  / /______ _____ ___  ____ _(_)
              / /| | / //_/ __ `/ __ `__ \/ __ `/ /
             / ___ |/ ,< / /_/ / / / / / / /_/ / /
            /_/  |_/_/|_|\__,_/_/ /_/ /_/\__,_/_/
===============================================================
=  Welcome to the Akamai Docker Image                         =
===============================================================
=  Project page:                                              =
=  https://github.com/akamai/akamai-docker                    =
===============================================================
/cli/.akamai-cli/venv/cli-firewall/lib/python3.12/site-packages/prettytable.py:74: SyntaxWarning: invalid escape sequence '\['
  _re = re.compile("\033\[[0-9;]*m")
/cli/.akamai-cli/venv/cli-firewall/lib/python3.12/site-packages/prettytable.py:800: SyntaxWarning: invalid escape sequence '\{'
  self.vertical_char = random.choice("~!@#$%^&*()_+|-=\{}[];':\",./;<>?")
/cli/.akamai-cli/venv/cli-firewall/lib/python3.12/site-packages/prettytable.py:801: SyntaxWarning: invalid escape sequence '\{'
  self.horizontal_char = random.choice("~!@#$%^&*()_+|-=\{}[];':\",./;<>?")
/cli/.akamai-cli/venv/cli-firewall/lib/python3.12/site-packages/prettytable.py:802: SyntaxWarning: invalid escape sequence '\{'
  self.junction_char = random.choice("~!@#$%^&*()_+|-=\{}[];':\",./;<>?")
Usage: firewall [OPTIONS] COMMAND [ARGS]...  Akamai CLI for Firewall RulesOptions:
  --edgerc TEXT       Location of the credentials file [$AKAMAI_EDGERC]
  --section TEXT      Section of the credentials file [$AKAMAI_EDGERC_SECTION]
  --account-key TEXT  Account Key
  --version           Show the version and exit.
  -h, --help          Show this message and exit.Commands:
  help                Show help information
  list-cidrs          List the CIDRs for current subscription or a specific...
  list-services       List all firewall rules services available
  list-subscriptions  List current subscriptions
  subscribe           Subscribe to a firewall rules service
  unsubscribe         Unsubscribe from a firewall rules service 

Suggesting to bump prettytable dependency. One important notice: based on the changelog it will drop support for version 3.9, which reached end-of-life in 2025-10.