[Geneva] Update opentelemetry-cpp to latest (open-telemetry#531)

ThomsonTan · web-flow · commit 3521645f55f9 · 2025-02-24T10:12:51.000-08:00
diff --git a/exporters/geneva-trace/third_party/opentelemetry-cpp b/exporters/geneva-trace/third_party/opentelemetry-cpp
@@ -1 +1 @@
-Subproject commit ced79860f8c8a091a2eabfee6d47783f828a9b59
+Subproject commit 021eb994cfaddbdf371601840e14e288323e19fc
