🔖 set version to 3.10.2

README.md

@@ -10,7 +10,7 @@
 [![Codacy Badge](https://app.codacy.com/project/badge/Grade/e0d1a9d5d6fd46fcb655c4cb930bb3e8)](https://www.codacy.com/gh/nlohmann/json/dashboard?utm_source=github.com&utm_medium=referral&utm_content=nlohmann/json&utm_campaign=Badge_Grade)
 [![Language grade: C/C++](https://img.shields.io/lgtm/grade/cpp/g/nlohmann/json.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/nlohmann/json/context:cpp)
 [![Fuzzing Status](https://oss-fuzz-build-logs.storage.googleapis.com/badges/json.svg)](https://bugs.chromium.org/p/oss-fuzz/issues/list?sort=-opened&can=1&q=proj:json)
-[![Try online](https://img.shields.io/badge/try-online-blue.svg)](https://wandbox.org/permlink/NVz8xGnDiSisXIiH)
+[![Try online](https://img.shields.io/badge/try-online-blue.svg)](https://wandbox.org/permlink/7p8sQckddTc0Y81T)
 [![Documentation](https://img.shields.io/badge/docs-doxygen-blue.svg)](https://nlohmann.github.io/json/doxygen/index.html)
 [![GitHub license](https://img.shields.io/badge/license-MIT-blue.svg)](https://raw.githubusercontent.com/nlohmann/json/master/LICENSE.MIT)
 [![GitHub Releases](https://img.shields.io/github/release/nlohmann/json.svg)](https://github.com/nlohmann/json/releases)
@@ -1590,6 +1590,7 @@ I deeply appreciate the help of the following people.
 - [Arseniy Terekhin](https://github.com/senyai) made the GDB pretty-printer robust against unset variable names.
 - [Amir Masoud Abdol](https://github.com/amirmasoudabdol) updated the Homebrew command as nlohmann/json is now in homebrew-core.
 - [Hallot](https://github.com/Hallot) fixed some `-Wextra-semi-stmt warnings`.
+- [Giovanni Cerretani](https://github.com/gcerretani) fixed `-Wunused` warnings on `JSON_DIAGNOSTICS`.
 
 Thanks a lot for helping out! Please [let me know](mailto:mail@nlohmann.me) if I forgot someone.
 
@@ -1621,7 +1622,7 @@ The library itself consists of a single header file licensed under the MIT licen
 - [**send_to_wandbox**](https://github.com/nlohmann/json/blob/develop/doc/scripts/send_to_wandbox.py) to send code examples to [Wandbox](https://wandbox.org)
 - [**Travis**](https://travis-ci.org) for [continuous integration](https://travis-ci.org/nlohmann/json) on Linux and macOS
 - [**Valgrind**](https://valgrind.org) to check for correct memory management
-- [**Wandbox**](https://wandbox.org) for [online examples](https://wandbox.org/permlink/NVz8xGnDiSisXIiH)
+- [**Wandbox**](https://wandbox.org) for [online examples](https://wandbox.org/permlink/7p8sQckddTc0Y81T)
 
 
 ## Projects using JSON for Modern C++