feat: add nats_ca crypto_key_feature enum value (#26761)

coderd/database/migrations/000533_nats_ca_crypto_key_feature.down.sql

@@ -0,0 +1,16 @@
+DELETE FROM crypto_keys WHERE feature = 'nats_ca';
+
+CREATE TYPE old_crypto_key_feature AS ENUM (
+    'workspace_apps_token',
+    'workspace_apps_api_key',
+    'oidc_convert',
+    'tailnet_resume'
+);
+
+ALTER TABLE crypto_keys
+    ALTER COLUMN feature TYPE old_crypto_key_feature
+    USING (feature::text::old_crypto_key_feature);
+
+DROP TYPE crypto_key_feature;
+
+ALTER TYPE old_crypto_key_feature RENAME TO crypto_key_feature;

coderd/database/migrations/000533_nats_ca_crypto_key_feature.up.sql

@@ -0,0 +1 @@
+ALTER TYPE crypto_key_feature ADD VALUE IF NOT EXISTS 'nats_ca';