Add changelog, adjust err msg

Author: DylanRussell

util/opentelemetry-util-genai/CHANGELOG.md

@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+- Log error when `fsspec` fails to be imported instead of silently failing ([#4037](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/4037)).
 - Minor change to check LRU cache in Completion Hook before acquiring semaphore/thread ([#3907](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3907)).
 - Add environment variable for genai upload hook queue size
   ([https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3943](#3943))

util/opentelemetry-util-genai/src/opentelemetry/util/genai/_upload/__init__.py

@@ -50,7 +50,7 @@ def upload_completion_hook() -> CompletionHook:
         )
     except ImportError:
         _logger.exception(
-            "Failed to import `fsspec`. Falling back to `NoOpCompletionHook` which does nothing."
+            "Failed to import `fsspec`. Falling back to `NoOpCompletionHook`."
         )
         return _NoOpCompletionHook()