chore(main): release 2.3.1

[github-actions[bot]]

:robot: I have created a release beep boop

2.3.1 (2023-01-16)

Bug Fixes

• test: include missing required *.txt test files in dist (#395) (63f10ff)
• loosen dependancies for click and requests, removes six dependancy (#394) (a4ce0c9)
• test: missing @pytest.mark.net on net-enabled test (#391) (3667f06)
• test: remove mock package test dependancy (#390) (9b54fc1)

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[github-actions[bot]]

:robot: Release is at https://github.com/pndurette/gTTS/releases/tag/v2.3.1 :sunflower: