feat: add support for SCIM provisioning (#1182)

backend/resources/migrations/sqlite/20251229173100_scim_service_providers.up.sql

@@ -0,0 +1,22 @@
+PRAGMA foreign_keys= OFF;
+BEGIN;
+
+CREATE TABLE scim_service_providers
+(
+    id             TEXT PRIMARY KEY,
+    created_at     DATETIME NOT NULL,
+    endpoint       TEXT     NOT NULL,
+    token          TEXT     NOT NULL,
+    last_synced_at DATETIME,
+    oidc_client_id TEXT     NOT NULL,
+    FOREIGN KEY (oidc_client_id) REFERENCES oidc_clients (id) ON DELETE CASCADE
+);
+
+ALTER TABLE users
+    ADD COLUMN updated_at DATETIME;
+
+ALTER TABLE user_groups
+    ADD COLUMN updated_at DATETIME;
+
+COMMIT;
+PRAGMA foreign_keys= ON;