deegree-3.4.26

What's Changed

• Ensure that tmp files are deleted with enabled buffering in WFS and when a request is closed by @lgoltz in #1280
• Remove deegree-sqldialect-postgis dependency from deegree-featurestore-sql by @dstenger in #1181

Full Changelog: deegree-3.4.25...deegree-3.4.26