* Report GMP version if found
* Bump local version of GoogleTest to 1.15.2 and Protocol Buffers to 27.3
* Avoid code duplication in CMake modules
* Update CMake modules
* Update clang-tidy job
* Fix set_public_key when using GnuTLS
* Fix for OpenSSL 1.1.1
* Fix formatting
* Fix formatting
* Fix ECDSA-P521 signature verification when using GnuTLS
* Improve finding of the GMP library in Debian-based systems
* Improve finding of the GMP library in Debian-based systems
* Keep GMP usage private