Update plugin publish to v0.34.0 (#193)

* Update plugin publish to v0.34.0

* Migrate to new publishing properties

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Jake Wharton <[email protected]>

Author: renovate[bot]

gradle.properties

@@ -19,6 +19,6 @@ POM_NAME=Grammar-Kit Composer
 POM_DESCRIPTION=Gradle plugin for creating a composable version of grammar kit grammars.
 POM_PACKAGING=jar
 
-SONATYPE_HOST=CENTRAL_PORTAL
-SONATYPE_AUTOMATIC_RELEASE=true
-RELEASE_SIGNING_ENABLED=true
+mavenCentralPublishing=true
+mavenCentralAutomaticPublishing=true
+signAllPublications=true

gradle/libs.versions.toml

@@ -11,5 +11,5 @@ coroutines = "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.10.2"
 [plugins]
 kotlinJvm = { id = "org.jetbrains.kotlin.jvm", version = "2.2.0" }
 spotless = { id = "com.diffplug.spotless", version = "7.1.0" }
-publish = { id = "com.vanniktech.maven.publish", version = "0.33.0" }
+publish = { id = "com.vanniktech.maven.publish", version = "0.34.0" }
 dokka = { id = "org.jetbrains.dokka", version = "2.0.0" }