[ci skip] Only publish releases from the main branch

universal/build.gradle.kts

@@ -46,6 +46,8 @@ publishShadowJar()
 val branch = rootProject.branchName()
 val baseVersion = project.version as String
 val isRelease = !baseVersion.contains('-')
+val isMainBranch = branch == "master"
+if (!isRelease || isMainBranch) { // Only publish releases from the main branch
     val suffixedVersion = if (isRelease) baseVersion else baseVersion + "+" + System.getenv("GITHUB_RUN_NUMBER")
     val changelogContent = if (isRelease) {
         "See [GitHub](https://github.com/ViaVersion/ViaVersion) for release notes."
@@ -53,7 +55,7 @@ val changelogContent = if (isRelease) {
         val commitHash = rootProject.latestCommitHash()
         "[$commitHash](https://github.com/ViaVersion/ViaVersion/commit/$commitHash) ${rootProject.latestCommitMessage()}"
     }
-val isMainBranch = branch == "master"
+
     modrinth {
         val mcVersions: List<String> = (property("mcVersions") as String)
                 .split(",")
@@ -103,3 +105,4 @@ hangarPublish {
             }
         }
     }
+}