fix(deps): update dependency yaml-language-server to ^0.4.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change	References
yaml-language-server	dependencies	minor	^0.3.0 -> ^0.4.0	source

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Release Notes

redhat-developer/yaml-language-server

### [`v0.4.0`](https://togithub.com/redhat-developer/yaml-language-server/blob/master/CHANGELOG.md#​040) [Compare Source](https://togithub.com/redhat-developer/yaml-language-server/compare/0.3.2...0.4.0) - Allow custom tags to have multiple types [#​77](https://togithub.com/redhat-developer/yaml-language-server/issues/77) - Made the formatter respect the yaml.format.enable setting [#PR](https://togithub.com/redhat-developer/yaml-language-server/pull/126) - yaml-language-server command is now executable [#PR](https://togithub.com/redhat-developer/yaml-language-server/pull/130)

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