Replace ESRI geometry library with JTS in geospatial plugin

[dain]

Description

Migrate the geospatial plugin from ESRI geometry-api-java to JTS (Java Topology Suite) as the core geometry library. JTS is more widely used, better maintained, and provides the foundation for upcoming Iceberg geometry type support.

Key changes:

• Use JTS Geometry as the native stack type instead of serialized bytes
• Replace custom geometry serialization with standard EWKB format
• Convert all geometry functions (ST_*, Bing tiles, aggregations, spatial joins)
• Simplify Hadoop ESRI JSON reader and PostgreSQL connector geometry handling

Additional context and related issues

JTS is the de facto standard geometry library in the Java ecosystem, used by GeoTools, PostGIS, and Apache Sedona. This change aligns Trino's geospatial implementation with the broader ecosystem and enables future improvements like Iceberg geometry support.

Behavioral differences:

• ST_Union: Point-on-line union no longer inserts vertices at intersection points
• ST_Union: Empty inputs return empty geometry collection instead of null
• ST_Buffer: Uses 8 quadrant segments (PostGIS/GEOS standard) - output coordinates differ slightly
• WKT parsing is stricter and rejects invalid syntax that ESRI silently accepted (e.g., MULTIPOLYGON EMPTY must be MULTIPOLYGON EMPTY, not MULTIPOLYGON(EMPTY))

Release notes

(x) Release notes are required, with the following suggested text:

## Geospatial
  * Replace ESRI geometry library with JTS for improved ecosystem compatibility. ({issue}`issuenumber`)
  * WKT parsing is now stricter per OGC standards and rejects previously accepted invalid syntax. ({issue}`issuenumber`)
  * `ST_Union` edge case changes: empty inputs return empty geometry collection instead of null, and point-on-line unions no longer insert vertices at intersection points. ({issue}`issuenumber`)