Bump osgeo/gdal from ubuntu-full-3.9.2 to ubuntu-full-3.9.3 in /docker

Bumps [osgeo/gdal](https://github.com/OSGeo/gdal) from ubuntu-full-3.9.2 to ubuntu-full-3.9.3.
- [Release notes](https://github.com/OSGeo/gdal/releases)
- [Changelog](https://github.com/OSGeo/gdal/blob/master/NEWS.md)
- [Commits](OSGeo/gdal@v3.9.2...v3.9.3)

---
updated-dependencies:
- dependency-name: osgeo/gdal
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

docker/Dockerfile

@@ -5,8 +5,8 @@
 ## SPDX-License-Identifier: Apache-2.0
 ##
 # gdal:ubuntu-small no longer comes with netcdf support compiled into gdal
-FROM ghcr.io/osgeo/gdal:ubuntu-full-3.9.2 AS builder
-FROM ghcr.io/osgeo/gdal:ubuntu-full-3.9.2
+FROM ghcr.io/osgeo/gdal:ubuntu-full-3.9.3 AS builder
+FROM ghcr.io/osgeo/gdal:ubuntu-full-3.9.3
 ARG V_PG=16
 ARG V_PGIS=16-postgis-3