Post release 1.4.0 reset

* add docs and support str or path-like for latex utils
* also install nightly build and update flopy pkgs in ci

* pytest 8.1.0 broke some plugins and was yanked
* https://github.com/pytest-dev/pytest/releases/tag/8.1.0
* always install examples dependencies in ci (need flopy)

* switch to Ruff from black, isort, pylint, flake8
* apply some fixes recommended by ruff's linter
* reformat python files with ruff's default ruleset
* add ruff lint rule npy201

…ames (#148)

* add no_parallel marker to modflow_devtools.markers to skip test if xdist is activated
* add name_map param to has_pkg() function and requires_pkg marker — accommodate packages which don't have a correspondingly named top-level module, e.g. pytext-xdist -> xdist, mfpymake -> pymake
* minor refactor in has_pkg() and update docstrings

* add numpy array snapshot extensions and fixtures with syrupy, moved from flopy
* remove use_pandas fixture, originally meant for use in flopy tests for pandas support but never used and probably not needed, as flopy use_pandas flags will be removed eventually
* todo: figure out how to support multi-array snapshots