Bump nlohmann version to 3.11.2 from 3.9.1

The current version of nlohmann is not able to compile
https://gerrit.openbmc.org/c/openbmc/bmcweb/+/62278.  This is supported
in the latest version of the library.

Tested:
Was able to locally build bmcweb after the bump.

Signed-off-by: Carson Labrado <clabrado@google.com>
Change-Id: I6820c3678a0ec23854b8db55a39fd802dc461793
diff --git a/subprojects/nlohmann.wrap b/subprojects/nlohmann.wrap
index a77b7c9..b6e9fd5 100644
--- a/subprojects/nlohmann.wrap
+++ b/subprojects/nlohmann.wrap
@@ -1,3 +1,3 @@
 [wrap-git]
-revision = b3e5cb7f20dcc5c806e418df34324eca60d17d4e
+revision = 8fcdbf2e771f481d988cb36847d6af6b17e30a99
 url = https://github.com/nlohmann/json.git