[ICON REQUEST]: PostGIS

### I have searched through the issues and didn't find my problem.

- [X] Confirm

### About the icon

PostGIS is open source and has a large community of geotech specialists. PostGIS has been around for over 20 years and their PNG version of the logo sucks.

### Links and sources

PostGIS is an important extension to PostgreSQL. It gathers a large community around it and is used by many other technologies (Leaflet, OpenStreetMap, GDAL, QGIS).

> PostGIS is a spatial database extender for PostgreSQL object-relational database. It adds support for geographic objects allowing location queries to be run in SQL.

Official page: https://postgis.net/

> PostGIS is an open source software program that adds support for geographic objects to the PostgreSQL object-relational database. PostGIS follows the Simple Features for SQL specification from the Open Geospatial Consortium (OGC).

Wikipedia: https://en.wikipedia.org/wiki/PostGIS

Official repository: https://trac.osgeo.org/postgis/
Mirror repository: https://github.com/postgis/postgis

Here's what the PostGIS logo looks like:


--- Edited October 25, 2023 ---

Webpage: https://postgis.net/

I found a brand file as SVG:


And another version of the logo:


### Additional information

_No response_