Apply suggestion from @TylerHelmuth

Author: TylerHelmuth

.chloggen/ottl-lambda-pointers.yaml

@@ -10,7 +10,7 @@ component: pkg/ottl
 note: Switch `LambdaExpression` arguments to be pointers.
 
 # Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
-issues: []
+issues: [49420]
 
 # (Optional) One or more lines of additional information to render under the primary note.
 # These lines will be padded with 2 spaces and then inserted directly into the document.