Update to latest opentelemetry version for testing and update samples lockfiles (#509)

Author: aabmass

dev-constraints.txt

@@ -17,5 +17,5 @@ setuptools==69.5.1
 
 # pinned for snapshot tests. this should be bumped regularly and snapshots updated by running
 # tox -f py311-test -- --snapshot-update
-opentelemetry-api==1.39.0
-opentelemetry-sdk==1.39.0
+opentelemetry-api==1.41.0
+opentelemetry-sdk==1.41.0

opentelemetry-exporter-gcp-trace/src/opentelemetry/exporter/cloud_trace/__init__.py

@@ -222,6 +222,9 @@ def _translate_to_cloud_trace(
 
         for span in spans:
             ctx = span.get_span_context()
+            if ctx is None:
+                # Should not happen at runtime, but needed to satisfy mypy
+                continue
             trace_id = format_trace_id(ctx.trace_id)
             span_id = format_span_id(ctx.span_id)
             span_name = "projects/{}/traces/{}/spans/{}".format(