chore: run ci on 3.14-dev

my.core: experimental support for apsw, use it for my.bluemaestro

apsw seems to be about 30% faster than python's sqlite adapter

fix hatch build by explicitly specifying directories to include and e…

…xcluding my/ symlink

ci: bring pytest config/pyproject/tox

- switch to hatch for building package (should be no-op, it's somewhat nicer for editable packages though)
- remove hack for dependency groups introduced in f492aa8

  latest pip supports `--group` syntax now, e.g. `pip install . --group testing`

general: python3.9 reached EOL, switch min version

also enable 3.13 on CI

core.time: hotfix for default force_abbreviations attribute

cli: fix minor race condition in creating hpi_temp_dir

my.core.pandas: add more tests

core.common: get rid of deprecated utcfromtimestamp

smscalls: parse mms from smscalls export (#370)

* initial mms exploration