Fix to config toml for random_voice

[MagicHatJo]

Description

Small .config.template.toml change to fix a bug.

Issue Fixes

#1812

Checklist:

• I am pushing changes to the develop branch
• I am using the recommended development environment
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have formatted and linted my code using python-black and pylint
• I have cleaned up unnecessary files
• My changes generate no new warnings
• My changes follow the existing code-style
• My changes are relevant to the project

Any other information (e.g how to test the changes)

Running first time initialization should now accept True/False for random_voice.