Amend container compaction list

The pg_basebackup restore container was compacted into crunchy-postgres

Author: Jonathan S. Katz

docs/content/releases/4.6.0.md

@@ -142,6 +142,7 @@ Removed container images include:
 - `crunchy-admin`
 - `crunchy-backrest-restore`
 - `crunchy-backup`
+- `crunchy-pgbasebackup-restore`
 - `crunchy-pgbench`
 - `crunchy-pgdump`
 - `crunchy-pgrestore`