Bump libdatadog version to 27.0.0 in preparation for release

Author: anais-raison

Cargo.lock

@@ -65,7 +65,7 @@ resolver = "2"
 [workspace.package]
 rust-version = "1.84.1"
 edition = "2021"
-version = "26.0.0"
+version = "27.0.0"
 license = "Apache-2.0"
 authors = ["Datadog Inc. <[email protected]>"]