feat: add PUT /api/v2/users/:user-id/suspend endpoint (#1154)

coderd/database/migrations/000007_user_status.down.sql

@@ -0,0 +1,4 @@
+ALTER TABLE ONLY users
+    DROP COLUMN IF EXISTS status;
+
+DROP TYPE user_status;

coderd/database/migrations/000007_user_status.up.sql

@@ -0,0 +1,4 @@
+CREATE TYPE user_status AS ENUM ('active', 'suspended');
+
+ALTER TABLE ONLY users
+    ADD COLUMN IF NOT EXISTS status user_status NOT NULL DEFAULT 'active';