fix accidental rollback of nlohmann-json submodule (open-telemetry#3415)

dbarker · web-flow · commit db29c5b18ddf · 2025-05-15T09:04:07.000+02:00
diff --git a/third_party/nlohmann-json b/third_party/nlohmann-json
@@ -1 +1 @@
-Subproject commit 9cca280a4d0ccf0c08f47a99aa71d1b0e52f8d03
+Subproject commit 55f93686c01528224f448c19128836e7df245f72
