Ssb-arbmark-fagfunksjoner

Changes

* attempt to fix duplication issues (45) sebrothe

Changes

* Added functions for counting holidays and weekend days (44) sebrothe

Changes

* update (43) sebrothe
* ssb-pypitemplate update (42) sebrothe

:package: Dependencies

* Bump the workflows-dependencies group in /.github/workflows with 2 updates (36) dependabot
* Bump black from 24.2.0 to 24.3.0 (34) dependabot
* Bump the github-action-dependencies group with 3 updates (37) dependabot
* Bump the poetry-dependencies group with 37 updates (38) dependabot
* Bump the github-action-dependencies group with 4 updates (31) dependabot
* Bump the workflows-dependencies group in /.github/workflows with 3 updates (30) dependabot
* Bump jinja2 from 3.1.2 to 3.1.3 (16) dependabot

Changes

* Fixed wrong country code for unknown (33) sebrothe

Changes

* New group with shift-work (32) sebrothe

Changes

* New release, new structure and improved proc_sums with grand total (28) sebrothe