Update dependency org.jetbrains.dokka:dokka-gradle-plugin to v1.9.20

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.jetbrains.dokka:dokka-gradle-plugin	1.9.10 -> 1.9.20

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Release Notes

Kotlin/dokka (org.jetbrains.dokka:dokka-gradle-plugin)

v1.9.20: 1.9.20

General bugfixes

• Fixed sealed interfaces not having the sealed keyword in signatures (https://github.com/Kotlin/dokka/issues/2994)
• Fixed incorrect links in multi-module projects with non-unique package names (https://github.com/Kotlin/dokka/issues/2272). Huge thanks to @​EddieRingle!
• Fixed member extensions not being shown on index pages in certain scenarios (https://github.com/Kotlin/dokka/issues/3187)
• Fixed Java's inner classes not having the inner keyword in Kotlin signatures (https://github.com/Kotlin/dokka/issues/2793)
• Fixed Java's @param tag not working with type parameters (https://github.com/Kotlin/dokka/issues/3199)
• Fixed Dokka failing in KMP projects when the JVM source set is suppressed (https://github.com/Kotlin/dokka/issues/3209)

HTML format

• Provide an ability to add a custom homepage link to the header, more details in https://github.com/Kotlin/dokka/issues/2948#issuecomment-1976723089
• Fixed tab selection resetting after navigating to a different page (https://github.com/Kotlin/dokka/issues/2899)
• Fixed inline code not always being aligned with the surrounding text (https://github.com/Kotlin/dokka/issues/3228)
• Fixed the "No options found" text in search being barely visible (https://github.com/Kotlin/dokka/issues/3281)
• Fixed empty HTML tags being rendered for no reason (https://github.com/Kotlin/dokka/pull/3343, https://github.com/Kotlin/dokka/issues/3095)

Runners

Gradle Plugin

• Mark tasks as not compatible with Gradle configuration cache, second try (https://github.com/Kotlin/dokka/pull/3438). Thanks to @​3flex for noticing and fixing the problem!

Maven Plugin

• Fixed dokka:help being absent (https://github.com/Kotlin/dokka/issues/3035). Thanks to @​aSemy!
• Fixed the source links configuration not working (https://github.com/Kotlin/dokka/pull/3046). Thanks to @​freya022 for fixing this one!

CLI runner

• Allow using relative paths in the sourceRoots configuration option (https://github.com/Kotlin/dokka/issues/2571)

Plugin API

• Provide an extension point to customize the rendering of code blocks in HTML format (https://github.com/Kotlin/dokka/issues/3244)

Other:

• Make sure wasm-js and wasm-wasi targets introduced in Kotlin 1.9.20 are supported (https://github.com/Kotlin/dokka/issues/3310)
• Avoid concurrent invocations of Kotlin compiler's API due to the compiler API itself not always being thread safe (https://github.com/Kotlin/dokka/issues/3151). No noticeable performance loss is expected.
• Bump dependencies to the latest versions (https://github.com/Kotlin/dokka/pull/3231, https://github.com/Kotlin/dokka/pull/3206, https://github.com/Kotlin/dokka/pull/3204)
• Fix a documentation link (https://github.com/Kotlin/dokka/pull/3213). Thanks to @​SubhrajyotiSen for noticing and fixing it!
• Various build and project structure improvements (https://github.com/Kotlin/dokka/pull/3174, https://github.com/Kotlin/dokka/issues/3132). Enormous thanks to @​aSemy for the help!

See Dokka 1.9.20 milestone for the list of all changes.

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