[chore] Move the changelog guard (#6518)

Co-authored-by: Robert Pająk <[email protected]>

CHANGELOG.md

@@ -16,6 +16,9 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 - Fix error logged by Jaeger remote sampler on empty or unset `OTEL_TRACES_SAMPLER_ARG` environment variable (#6511)
 
+<!-- Released section -->
+<!-- Don't change this section unless doing release -->
+
 ## [1.33.0/0.58.0/0.27.0/0.13.0/0.8.0/0.6.0/0.5.0] - 2024-12-12
 
 ### Added
@@ -47,9 +50,6 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
   The `code.namespace` attribute now stores the package path. (#6423)
 - Return an error for `nil` values when unmarshaling `NameStringValuePair` in `go.opentelemetry.io/contrib/config`. (#6425)
 
-<!-- Released section -->
-<!-- Don't change this section unless doing release -->
-
 ## [1.32.0/0.57.0/0.26.0/0.12.0/0.7.0/0.5.0/0.4.0] - 2024-11-08
 
 ### Added