feat: update location point format to include Z coordinate

[jirhiker]

Why

This PR addresses the following problem / context:

• Updating the Location model to used Point Z requires updates to tests

How

Implementation summary - the following was changed / added / removed:

• Updated any place Point was used.

Notes

Any special considerations, workarounds, or follow-up work to note?

• Use bullet points here

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.

Files with missing lines	Coverage Δ
core/initializers.py	72.00% <100.00%> (ø)
tests/conftest.py	100.00% <100.00%> (ø)
tests/test_geospatial.py	87.75% <ø> (ø)
tests/test_location.py	100.00% <ø> (ø)