chore: update changelog config

Author: levinzonr

build.gradle.kts

@@ -46,7 +46,6 @@ spotless {
 changelog {
     path.set(file("CHANGELOG.md").canonicalPath)
     header.set(provider { "[${version.get()}] - ${date()}" })
-    headerParserRegex.set("""(\d+\.\d+)""".toRegex())
     keepUnreleasedSection.set(true)
     unreleasedTerm.set("[Unreleased]")
     groups.set(listOf("Added", "Changed", "Deprecated", "Removed", "Fixed", "Security"))