Release 0.1.25

• Use amici==0.34.0
• Fix ImportError: libexpat.so.1 by @dweindl in #12
• Disable actions/cache by @dweindl in #15
• Bump actions/setup-python from 3 to 6 by @dependabot[bot] in #16
• Bump codecov/codecov-action from 2 to 5 by @dependabot[bot] in #17
• Update citation and authors by @dweindl in #20
• setup.py -> pyproject.toml by @dweindl in #19
• Parallel compilation of amici core and models by @dweindl in #21
• Fix version selection by @dweindl in #14

Full Changelog: 0.1.24...0.1.25