chore: Release kdl version 6.1.0

Author: zkat

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "kdl"
-version = "6.0.0"
+version = "6.1.0"
 description = "Document-oriented KDL parser and API. Allows formatting/whitespace/comment-preserving parsing and modification of KDL text."
 authors = ["Kat Marchán <[email protected]>", "KDL Community"]
 license = "Apache-2.0"
@@ -33,4 +33,4 @@ pretty_assertions = "1.3.0"
 # document all features
 all-features = true
 # defines the configuration attribute `docsrs`
-rustdoc-args = ["--cfg", "docsrs"]
+rustdoc-args = ["--cfg", "docsrs"]