fixup dbinit statement ordering for clarity

schema/crdb/dbinit.sql

@@ -2824,30 +2824,6 @@ CREATE TYPE IF NOT EXISTS omicron.public.switch_link_speed AS ENUM (
 ALTER TABLE omicron.public.switch_port_settings_link_config ADD COLUMN IF NOT EXISTS fec omicron.public.switch_link_fec;
 ALTER TABLE omicron.public.switch_port_settings_link_config ADD COLUMN IF NOT EXISTS speed omicron.public.switch_link_speed;
 
-/*
- * Metadata for the schema itself. This version number isn't great, as there's
- * nothing to ensure it gets bumped when it should be, but it's a start.
- */
-CREATE TABLE IF NOT EXISTS omicron.public.db_metadata (
-    -- There should only be one row of this table for the whole DB.
-    -- It's a little goofy, but filter on "singleton = true" before querying
-    -- or applying updates, and you'll access the singleton row.
-    --
-    -- We also add a constraint on this table to ensure it's not possible to
-    -- access the version of this table with "singleton = false".
-    singleton BOOL NOT NULL PRIMARY KEY,
-    time_created TIMESTAMPTZ NOT NULL,
-    time_modified TIMESTAMPTZ NOT NULL,
-    -- Semver representation of the DB version
-    version STRING(64) NOT NULL,
-
-    -- (Optional) Semver representation of the DB version to which we're upgrading
-    target_version STRING(64),
-
-    CHECK (singleton = true)
-);
-
-
 CREATE SEQUENCE IF NOT EXISTS omicron.public.ipv4_nat_version START 1 INCREMENT 1;
 
 CREATE TABLE IF NOT EXISTS omicron.public.ipv4_nat_entry (
@@ -2900,6 +2876,29 @@ STORING (
     time_deleted
 );
 
+/*
+ * Metadata for the schema itself. This version number isn't great, as there's
+ * nothing to ensure it gets bumped when it should be, but it's a start.
+ */
+CREATE TABLE IF NOT EXISTS omicron.public.db_metadata (
+    -- There should only be one row of this table for the whole DB.
+    -- It's a little goofy, but filter on "singleton = true" before querying
+    -- or applying updates, and you'll access the singleton row.
+    --
+    -- We also add a constraint on this table to ensure it's not possible to
+    -- access the version of this table with "singleton = false".
+    singleton BOOL NOT NULL PRIMARY KEY,
+    time_created TIMESTAMPTZ NOT NULL,
+    time_modified TIMESTAMPTZ NOT NULL,
+    -- Semver representation of the DB version
+    version STRING(64) NOT NULL,
+
+    -- (Optional) Semver representation of the DB version to which we're upgrading
+    target_version STRING(64),
+
+    CHECK (singleton = true)
+);
+
 INSERT INTO omicron.public.db_metadata (
     singleton,
     time_created,