HPP-FCL 2.3.4

What's Changed

• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #414
• Fix conversion warning by @wxmerkt in #417
• Add missing boost include by @nim65s in #418
• ci: update macos-linux-pip by @nim65s in #419
• Modernize Cmake use by @nim65s in #420
• tests: use boost::filesystem by @nim65s in #424
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #425
• Update minimal Python version by @jcarpent in #427
• Sync submodule cmake by @jcarpent in #430
• Sync submodule CMake by @jcarpent in #431

Full Changelog: v2.3.3...v2.3.4