feat!: Disallow passing null, undefined or boolean as an ICU argument

[amannn]

These are errors now:

t('message', {value: null});
t('message', {value: undefined});
t('message', {value: false});

If you really want to use such a raw value in a message, you can cast it to a string first:

const value = true;
t('message', {value: String(value)});

[vercel]

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