Physics improvements
- Add LPM effect for photopair, fixes for BremsLPM (PR [336](https://github.com/tudo-astroparticlephysics/PROPOSAL/pull/336), [#337](https://github.com/tudo-astroparticlephysics/PROPOSAL/pull/337))
Functionality
- Add maximum number of iteration steps in Propagator::AdvanceParticle (PR [338](https://github.com/tudo-astroparticlephysics/PROPOSAL/pull/338))
Installation
- Allow installing proposal via conan build (PR [325](https://github.com/tudo-astroparticlephysics/PROPOSAL/pull/325))
- Adds legacy find_package() style variables (PR [330](https://github.com/tudo-astroparticlephysics/PROPOSAL/pull/330))
- Update pybind11 version in conanfile to support python 3.11 (PR [339](https://github.com/tudo-astroparticlephysics/PROPOSAL/pull/339))
Documentation
- Specify compatible compiler versions in README.md (PR [324](https://github.com/tudo-astroparticlephysics/PROPOSAL/pull/324))
- Update outdated jupyter notebooks (PR [329](https://github.com/tudo-astroparticlephysics/PROPOSAL/pull/329))
Miscellaneous
- Fix clang warning due to missing override keyword (PR [328](https://github.com/tudo-astroparticlephysics/PROPOSAL/pull/328))
- Fix ifstream in UnitTests to correctly read in `ecut==INF` (PR [335](https://github.com/tudo-astroparticlephysics/PROPOSAL/pull/335))