Convert updeep to immer (fixes #704)

[cxong]

Changelog

Migrated the data update library from updeep to immer.

[cxong]

I'm unable to test further due to 403 errors

[dtinth]

@cxong Hi! Many thanks for contributing.

The 403 error comes from loading a background image and should not affect the game.

To verify that the game works, please run the end-to-end tests, found in the e2e folder.

[cxong]

I am getting

Step 1. Open browser NG 3s
        Error: net::ERR_CONNECTION_REFUSED at http://localhost:8080/?server=https://raw.githubusercontent.com/bemusic/bemuse-test-server/master

after running

npx prescript tests/Gameplay-test.js

in e2e

[dtinth]

@cxong Hi! Please have the development server running while running the E2E tests.

[cxong]

Deferred Step 2. Close browser OK 85ms
すばらしい! 32s

[dtinth]

@cxong Great, seems to be working! Almost there — please check the CI status.

• Some tests are failing. Try running the tests on your local machine.
• Lint tasks are also failing. Please run rush danger-local to see the warnings.

[sonarcloud[bot]]

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