fix(deps): update dependency @nextcloud/vue to ^8.19.0 (main)

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@nextcloud/vue	^8.18.0 -> ^8.19.0

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Release Notes

nextcloud-libraries/nextcloud-vue (@​nextcloud/vue)

v8.19.0

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Full Changelog

🚀 Enhancements

• feat(NcModal): make dark header configurable #​6083 (mejo-)
• feat(NcActions): Emit closed event only when the actions are fully closed #​6065 (susnux)

🐛 Fixed bugs

• fix(NcAppNavigationItem): align utils with actions and other components #​6054 (GVodyanov)
• fix(NcAvatar): add a fallback for missing CSS variable #​6090 (Antreesy)
• fix(NcColorPicker): style advanced fields as NcInputField #​6097 (Antreesy)

Changed

• Updated workflows and dependencies

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Configuration

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