1.41.0 release

New features:
- Update korg-clang-22 to 22.1.5
- Update korg-clang-22 to 22.1.6
- runtime: Add gcc-16 toolchain configuration
- runtime: Add korg-gcc-16 toolchain configuration
- runtime: skip parisc for gcc-16
- Update korg-clang-22 to 22.1.7
- Update korg-clang-22 to 22.1.8

Bug fixes:
- pyproject: migrate to PEP 621 metadata
- metadata: drop original author email
- pyproject: ship test/ in the flit sdist
- metadata: write metadata.json early so it survives a hard kill
- build: log the compiler version at the start of build.log
- packaging: require python 3.11
- ci: drop EOL python versions from the test matrix
- ci: remove unused CI image builds
- ci: add ci-debian-13 image build
- ci: test python 3.13
- ci: add ci-ubuntu-26.04 image build
- ci: test python 3.14
- test: format test_utils.py with newer black
- ci: test python 3.11 to 3.14 on github

Container images:
- ci: use debian trixie for packages and trigger jobs
- runtime: docker: add armhf and armel container targets

Signed-off-by: Anders Roxell <anders.roxell@linaro.org>