fix: update conf.d

Author: samrose

audit-specs/baselines/ami-build/files-postgres-config.yml

@@ -60,13 +60,19 @@ file:
     owner: postgres
     group: postgres
     mode: '0664'
-  /etc/postgresql-custom/wal-g.conf:
+  /etc/postgresql-custom/conf.d:
+    exists: true
+    filetype: directory
+    owner: postgres
+    group: postgres
+    mode: '0775'
+  /etc/postgresql-custom/conf.d/wal-g.conf:
     exists: true
     filetype: file
     owner: postgres
     group: postgres
     mode: '0664'
-  /etc/postgresql-custom/read-replica.conf:
+  /etc/postgresql-custom/conf.d/read_replica.conf:
     exists: true
     filetype: file
     owner: postgres