fixes TextEncoder missing from JEST / jsdom tests

[dwsmart]

• Bumps dependencies
• Adds TextEncoder & TextDecoder to jest.config.js global to fix ReferenceError: TextEncoder is not defined

set cla email, third time a charm?

[!NOTE] there's still some flakiness in the test, with it being required to run twice sometimes, as the TextEncoder issue still pops up on first run occasionally.

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