Update dependency dark-theme to v416

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
dark-theme	major	410.v3095e2c26b_17 -> 416.v535839b_c4e88

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Release Notes

jenkinsci/dark-theme-plugin (dark-theme)

### [`v416.v535839b_c4e88`](https://togithub.com/jenkinsci/dark-theme-plugin/releases/tag/416.v535839b_c4e88) [Compare Source](https://togithub.com/jenkinsci/dark-theme-plugin/compare/415.vcd72b_480d9b_6...416.v535839b_c4e88) #### 🐛 Bug fixes - Restrict header highlighting to search form ([#​446](https://togithub.com/jenkinsci/dark-theme-plugin/issues/446)) [@​zbynek](https://togithub.com/zbynek) ### [`v415.vcd72b_480d9b_6`](https://togithub.com/jenkinsci/dark-theme-plugin/releases/tag/415.vcd72b_480d9b_6) [Compare Source](https://togithub.com/jenkinsci/dark-theme-plugin/compare/410.v3095e2c26b_17...415.vcd72b_480d9b_6) #### 🚀 New features and improvements - Update plugin manager description ([#​445](https://togithub.com/jenkinsci/dark-theme-plugin/issues/445)) [@​NotMyFault](https://togithub.com/NotMyFault) #### 📦 Dependency updates - Update dependency sass to v1.69.6 ([#​443](https://togithub.com/jenkinsci/dark-theme-plugin/issues/443)) [@​renovate](https://togithub.com/renovate) - Update dependency io.jenkins.tools.bom:bom-2.414.x to v2675 ([#​442](https://togithub.com/jenkinsci/dark-theme-plugin/issues/442)) [@​renovate](https://togithub.com/renovate) - Update dependency dark-theme to v410 ([#​441](https://togithub.com/jenkinsci/dark-theme-plugin/issues/441)) [@​renovate](https://togithub.com/renovate)

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