Update documentation, examples and test references to 1.6.20 (#2440)

* Update documentation/example/test references to 1.6.20

* Mute Multiplatform0GradleIntegrationTest due to missing KLIB support

* Update gradle and AGP versions to the latest

4 files changed, 15 insertions, 15 deletions

diff --git a/docs/src/doc/docs/community/plugins-list.md b/docs/src/doc/docs/community/plugins-list.md
index 048a8cab..a3d604e6 100644
--- a/docs/src/doc/docs/community/plugins-list.md
+++ b/docs/src/doc/docs/community/plugins-list.md
@@ -9,10 +9,10 @@ In order to add your plugin to this list it needs to be:
 
 | Plugin name | Description | Source |
 | :--------- | :--------- | :------------ |
-| [Kotlin as Java](https://kotlin.github.io/dokka/1.6.10/user_guide/introduction/#plugins) | Display Kotlin code as seen from Java | [Github](https://github.com/Kotlin/dokka/tree/master/plugins/kotlin-as-java)
-| [GFM](https://kotlin.github.io/dokka/1.6.10/user_guide/introduction/#plugins) | Renders documentation in a GFM format | [Github](https://github.com/Kotlin/dokka/tree/master/plugins/gfm)
-| [Javadoc](https://kotlin.github.io/dokka/1.6.10/user_guide/introduction/#plugins) | Renders documentation in a Javadoc format | [Github](https://github.com/Kotlin/dokka/tree/master/plugins/javadoc)
-| [Jekyll](https://kotlin.github.io/dokka/1.6.10/user_guide/introduction/#plugins) | Renders documentation in a Jekyll format | [Github](https://github.com/Kotlin/dokka/tree/master/plugins/jekyll)
+| [Kotlin as Java](https://kotlin.github.io/dokka/1.6.20/user_guide/introduction/#plugins) | Display Kotlin code as seen from Java | [Github](https://github.com/Kotlin/dokka/tree/master/plugins/kotlin-as-java)
+| [GFM](https://kotlin.github.io/dokka/1.6.20/user_guide/introduction/#plugins) | Renders documentation in a GFM format | [Github](https://github.com/Kotlin/dokka/tree/master/plugins/gfm)
+| [Javadoc](https://kotlin.github.io/dokka/1.6.20/user_guide/introduction/#plugins) | Renders documentation in a Javadoc format | [Github](https://github.com/Kotlin/dokka/tree/master/plugins/javadoc)
+| [Jekyll](https://kotlin.github.io/dokka/1.6.20/user_guide/introduction/#plugins) | Renders documentation in a Jekyll format | [Github](https://github.com/Kotlin/dokka/tree/master/plugins/jekyll)
 | [Mermaid-HTML](https://mermaid-js.github.io/mermaid/#/) | Renders Mermaid graphs for HTML renderer. | [Github](https://github.com/glureau/dokka-mermaid)
 
 
diff --git a/docs/src/doc/docs/user_guide/base-specific/frontend.md b/docs/src/doc/docs/user_guide/base-specific/frontend.md
index f2dd31b0..2a6deac9 100644
--- a/docs/src/doc/docs/user_guide/base-specific/frontend.md
+++ b/docs/src/doc/docs/user_guide/base-specific/frontend.md
@@ -92,7 +92,7 @@ Variables given below are available to the template:
 Also, Dokka-defined [directives](https://freemarker.apache.org/docs/ref_directive_userDefined.html) can be used:
   * `<@content/>` - main content
   * `<@resources/>` - scripts, stylesheets 
-  * `<@version/>` - version ([versioning-plugin](https://kotlin.github.io/dokka/1.6.10/user_guide/versioning/versioning/) will replace this with a version navigator)
+  * `<@version/>` - version ([versioning-plugin](https://kotlin.github.io/dokka/1.6.20/user_guide/versioning/versioning/) will replace this with a version navigator)
   * `<@template_cmd name="...""> ...</@template_cmd>` - is used for variables that depend on the root project (such `pathToRoot`, `projectName`). They are available only inside the directive. This is processed by a multi-module task that assembles partial outputs from modules. 
      Example:
     ```
diff --git a/docs/src/doc/docs/user_guide/cli/usage.md b/docs/src/doc/docs/user_guide/cli/usage.md
index 9f09c894..f3c816b8 100644
--- a/docs/src/doc/docs/user_guide/cli/usage.md
+++ b/docs/src/doc/docs/user_guide/cli/usage.md
@@ -93,8 +93,8 @@ The content of JSON file ```dokkaConfiguration.json```:
         "sourceSetName": "main"
       },
       "classpath": [
-        "libs/kotlin-stdlib-1.6.10.jar",
-        "libs/kotlin-stdlib-common-1.6.10.jar"
+        "libs/kotlin-stdlib-1.6.20.jar",
+        "libs/kotlin-stdlib-common-1.6.20.jar"
       ],
       "sourceRoots": [
         "/home/Vadim.Mishenev/dokka/examples/cli/src/main/kotlin"
@@ -135,11 +135,11 @@ The content of JSON file ```dokkaConfiguration.json```:
     }
   ],
   "pluginsClasspath": [
-    "plugins/dokka-base-1.6.10.jar",
+    "plugins/dokka-base-1.6.20.jar",
     "libs/kotlinx-html-jvm-0.7.3.jar",
-    "libs/dokka-analysis-1.6.10.jar",
-    "libs/kotlin-analysis-intellij-1.6.10.jar",
-    "libs/kotlin-analysis-compiler-1.6.10.jar"
+    "libs/dokka-analysis-1.6.20.jar",
+    "libs/kotlin-analysis-intellij-1.6.20.jar",
+    "libs/kotlin-analysis-compiler-1.6.20.jar"
   ],
   "pluginsConfiguration": [
     {
diff --git a/docs/src/doc/docs/user_guide/gradle/usage.md b/docs/src/doc/docs/user_guide/gradle/usage.md
index 18ef1783..982923fc 100644
--- a/docs/src/doc/docs/user_guide/gradle/usage.md
+++ b/docs/src/doc/docs/user_guide/gradle/usage.md
@@ -14,7 +14,7 @@ The preferred way is to use `plugins` block.
 build.gradle.kts:
 ```kotlin
 plugins {
-    id("org.jetbrains.dokka") version "1.6.10"
+    id("org.jetbrains.dokka") version "1.6.20"
 }
 
 repositories {
@@ -269,7 +269,7 @@ Dokka plugin creates Gradle configuration for each output format in the form of
 
 ```kotlin
 dependencies {
-    dokkaHtmlPlugin("org.jetbrains.dokka:kotlin-as-java-plugin:1.6.10")
+    dokkaHtmlPlugin("org.jetbrains.dokka:kotlin-as-java-plugin:1.6.20")
 }
 ``` 
 
@@ -278,7 +278,7 @@ You can also create a custom Dokka task and add plugins directly inside:
 ```kotlin
 val customDokkaTask by creating(DokkaTask::class) {
     dependencies {
-        plugins("org.jetbrains.dokka:kotlin-as-java-plugin:1.6.10")
+        plugins("org.jetbrains.dokka:kotlin-as-java-plugin:1.6.20")
     }
 }
 ```
@@ -311,7 +311,7 @@ For example, you can add `DokkaBase` to gain access to aforementioned configurat
 buildscript {
     dependencies {
         // classpath("<plugin coordinates>:<plugin version>")
-        classpath("org.jetbrains.dokka:dokka-base:1.6.10")
+        classpath("org.jetbrains.dokka:dokka-base:1.6.20")
     }
 }
 ```