feat(drizzle): support half-precision, binary, and sparse vectors column types (#12491)

Adds support for `halfvec` and `sparsevec` and `bit` (binary vector)
column types. This is required for supporting indexing of embeddings >
2000 dimensions on postgres using the pg-vector extension.

.github/workflows/main.yml

@@ -187,7 +187,8 @@ jobs:
 
     services:
       postgres:
-        image: ${{ (startsWith(matrix.database, 'postgres') ) && 'postgis/postgis:16-3.4' || '' }}
+        # Custom postgres 17 docker image that supports both pg-vector and postgis: https://github.com/payloadcms/postgis-vector
+        image: ${{ (startsWith(matrix.database, 'postgres') ) && 'ghcr.io/payloadcms/postgis-vector:latest' || '' }}
         env:
           # must specify password for PG Docker container image, see: https://registry.hub.docker.com/_/postgres?tab=description&page=1&name=10
           POSTGRES_USER: ${{ env.POSTGRES_USER }}