fix(type): fix wrong type for data item value of the `parallel` series.

chore: update deprecated npm `prepublish` hook to `prepare`

chore: update KEYS

chore: marge-release-to-master

The current mothAbbr does not follow ISO8601, which is "Mrz" instead of "Mar" in germany.
Please see also datejs implementation: https://github.com/datejs/Datejs/blob/master/build/date-de-DE.js#L9

fix: `sunbrust` label abnormal

chore: prepare to release v5.4.2

fix(polar): support borderRadius for polar bars #17980

fix(markArea): markArea range in bar series #18130

fix(type): fix `treePathInfo` is missing in the type of sunburst formatter callback

<fix>(tooltip): fix alwaysShowContent doesn't work after leaving the …

fix(type): fix `treePathInfo` is missing in the type of sunburst formatter callback & add missing type definition for the `data` option

fix(sunburst): `radial` rotation label might upside down

fix(dataset): object source contains `length` breaks render

* feat(i18n): add Vietnamese(vi_VN) translation

* style(i18n): use single quote instead of double quotes

* style(i18n): fix style flaw in copyright header comment

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Co-authored-by: Nplainheart <yhen@all-my-life.cn>

* Made some grammatical changes in the Readme.md Files

* Fixed Grammatical errors in CONTRIBUTING.md