Geospatial function ST_GeomFromKML

[umartin]

Description

closes #23664

This PR adds ST_GeomFromKML for converting KML fragments to geometries.

Additional context and related issues

Issue #23664

Postgis docs: https://postgis.net/docs/ST_GeomFromKML.html
Apache Sedona docs: https://sedona.apache.org/latest/api/sql/Constructor/#st_geomfromkml

Release notes

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(x) Release notes are required, with the following suggested text: Add geospatial constructor ST_GeomFromKML

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[github-actions]

This pull request has gone a while without any activity. Tagging for triage help: @mosabua