Update for node v18

[csillag]

In the current version of the code

• The web wallet can be compiled with both node v16 and v18
• The extension can only be built with v16; with v18, parcel hits some errors.

This is an upstream bug that has been fixed since we locked our dependency versions.
The situation can be resolved by removing yarn.lock and thus updating all our dependencies.

This results in many changes.
One of the changes is that date formatting now uses a different kind of space; I updated the tests for that.

After this changes node v18 works OK (compilation, tests, everything), but node v14 and v16 no longer works.
(Actually, the code does work with node v16, but the tests don't, and I didn't feel like debugging it, since node v18 is already the current LTS release...)

So of we do this, everyone working on the wallet must upgrade to node v18.

[github-actions]

🦙 MegaLinter status: ❌ ERROR

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✅ REPOSITORY	checkov	yes		no	12.47s
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✅ TYPESCRIPT	eslint	36	0	0	8.54s
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✅ YAML	yamllint	4		0	0.27s

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[csillag]

Please note that the failing tests are because the CI is still configured to use node v14, and our package json demands v18.

[csillag]

As an aside, one could probably do a tighter update; ie. instead of removing the whole yarn.lock file, update only a few dependencies selectively... but it's a PITA to figure out exactly which ones, and eventually we need to upgrade all of them anyway.

[buberdds]

Can you bump node version in GH actions? .github/workflows search for 14.x.

[csillag]

There is something wrong with the newer react dependencies...

[csillag]

There is something wrong with the newer react dependencies...

That has been solved, but now I have an issue whereas Intl.DateTimeFormat behaves differently locally and on GitHub. (Although node v18.12.x is running at both configurations)

[csillag]

Now only the Cypress tests are dead...

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[buberdds]

Done via #1306