updates:
- [github.com/pre-commit/mirrors-clang-format: v13.0.1 → v14.0.4-1](https://github.com/pre-commit/mirrors-clang-format/compare/v13.0.1...v14.0.4-1)
- [github.com/pre-commit/pre-commit-hooks: v4.2.0 → v4.3.0](https://github.com/pre-commit/pre-commit-hooks/compare/v4.2.0...v4.3.0)

format

fix submodule url

Change license to BSD 2 clauses.

[CMake] Switch to C++14

As include/hpp/util/serialization.hh use `std::enable_if_t`, which is
only available in C++ >= 14

Serialization