psycopg3: install c extras

This is apparently the extra
now that makes psycopg3
correspond to the old
psycopg2 non-binary version.

Author: pjonsson

index/Dockerfile

@@ -50,6 +50,7 @@ RUN --mount=type=cache,id=opendatacube-uv-cache,target=/root/.cache \
     uv sync --locked --no-dev --no-install-project \
       --no-binary-package fiona \
       --no-binary-package psycopg \
+      --no-binary-package psycopg-c \
       --no-binary-package psycopg2 \
       --no-binary-package rasterio \
       --no-binary-package shapely

index/pyproject.toml

@@ -4,11 +4,12 @@ version = "0.1.0"
 description = "Installation project for datacube-index"
 requires-python = ">=3.12"
 dependencies = [
-    "datacube[performance,postgres,psycopg3,s3]",
+    "datacube[performance,postgres,s3]",
     "aiobotocore[awscli,boto3]",
     # Azure indexing, just in case.
     "azure-storage-blob",
     "odc-apps-dc-tools",
+    "psycopg[c]",
     "pyyaml>=6.0.1",
     "rasterio>=1.4.2",
     "fiona>=1.10.1",