chore(deps): update plugin ktfmt to v0.20.1 (#568)

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

gradle/libs.versions.toml

@@ -212,7 +212,7 @@ arrow-stack = ["arrow-core",
 spring-plugin = { id = "org.jetbrains.kotlin.plugin.spring", version.ref = "kotlin" }
 spring-boot = { id = "org.springframework.boot", version.ref = "spring-boot" }
 spring-dependencyManagement = { id = "io.spring.dependency-management", version.ref = "spring-dependency-management" }
-ktfmt = { id = "com.ncorti.ktfmt.gradle", version = "0.20.0" }
+ktfmt = { id = "com.ncorti.ktfmt.gradle", version = "0.20.1" }
 kotlinter = { id = "org.jmailen.kotlinter", version = "4.4.1" }
 dokka = { id = "org.jetbrains.dokka", version.ref = "dokka" }
 knit = { id = "org.jetbrains.kotlinx:kotlinx-knit", version.ref = "knit" }