* Update traits.h

* fix actions fails

* update version of jsoncons warkflow traits and install action

* update example/traits/danielaparker-jsoncons.cpp

* Drop support of the 0.x release of jsoncons

* Update jsoncons to 1.3.2 and nlohmann-json to 3.12.0

* revert the changes for nlohmann-json

---------

Co-authored-by: Chris Mc <[email protected]>

* update nlohmann-json to 3.12.0 (fix cmake min version)

* Bump fetch ver

Needs new md5

* 3.12 md5

* Limit hunter cmake version

* bump jsoncpp version to v1.9.6 as well

* bump workflow as well as default

---------

Co-authored-by: Chris Mc <[email protected]>

introduced in #378

* use ubuntu-latest + update actions/cache

* performance-avoid-endl

https://clang.llvm.org/extra/clang-tidy/checks/performance/avoid-endl.html

* misc-const-correctness

https://clang.llvm.org/extra/clang-tidy/checks/misc/const-correctness.html

* misc-const-correctness

https://clang.llvm.org/extra/clang-tidy/checks/misc/const-correctness.html

* formatting

* clang format and tidy and already installed

https://github.com/actions/runner-images/blob/main/images/ubuntu/Ubuntu2404-Readme.md#language-and-runtime

* explict clang-format-14

* disable include cleaner

* format

* format

* install lcov to get patching geninfo for gcc 13

* revert "install lcov to get patching geninfo for gcc 13"

* Support passing ssl library key handles to algorithms

* Support passing public keys too for ssl library key handles

* add documentation to ecdsa constructor

* Support passing ssl library rsa keys

* reformat code

---------

Co-authored-by: Dominik Thalhammer <[email protected]>
Co-authored-by: Chris Mc <[email protected]>

closes #384

Fixes error
```
  The link interface of target "jwt-cpp::jwt-cpp" contains:

    picojson::picojson>

  but the target was not found.  Possible reasons include:

    * There is a typo in the target name.
    * A find_package call is missing for an IMPORTED target.
    * An ALIAS target is missing.
```

Co-authored-by: Chris Mc <[email protected]>

)

The examples have been using older cmake_minimum_required,
given support for versions <3.10 is deprecated since 3.31,
synchronize the minimum required version from the main CMakeLists.txt
(version 3.14) into examples and tests.

closes #397