Update dependency com.android.tools.build:gradle to v7.3.0 (#1460)

* Update dependency com.android.tools.build:gradle to v7.3.0

* Remove comment.

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: colinrtwhite <colin@colinwhite.me>

gradle/libs.versions.toml

@@ -15,7 +15,7 @@ dokka = { id = "org.jetbrains.dokka", version = "1.7.10" }
 ktlint = { id = "org.jmailen.kotlinter", version = "3.12.0" }
 
 [libraries]
-gradlePlugin-android = "com.android.tools.build:gradle:7.3.0-rc01" # https://github.com/Kotlin/dokka/issues/2472
+gradlePlugin-android = "com.android.tools.build:gradle:7.3.0"
 gradlePlugin-kotlin = "org.jetbrains.kotlin:kotlin-gradle-plugin:1.7.10"
 gradlePlugin-mavenPublish = "com.vanniktech:gradle-maven-publish-plugin:0.22.0"