Merge branch 'wdfn-618' into 'main'

.gitlab-ci.yml

CHANGELOG.md

wdfn-server/requirements.txt

wdfn-server/waterdata/services/nwissite.py

wdfn-server/waterdata/services/sifta.py

wdfn-server/waterdata/services/timezone.py

wdfn-server/waterdata/tests/services/test_nwissite.py

wdfn-server/waterdata/tests/services/test_sifta.py

wdfn-server/waterdata/tests/test_utils.py

wdfn-server/waterdata/tests/test_views.py

wdfn-server/waterdata/utils.py

wdfn-server/waterdata/views.py