Use TEXT for oauth_tokens columns to support JWT tokens

Microsoft Entra ID access tokens are JWTs that can exceed 2000
characters, which doesn't fit in VARCHAR(255).

Author: ulrikandersen

create-tables.sql

@@ -41,9 +41,9 @@ CREATE TABLE oauth_tokens
 (
   user_id VARCHAR(255) NOT NULL,
   provider VARCHAR(255) NOT NULL,
-  access_token VARCHAR(255) NOT NULL,
-  refresh_token VARCHAR(255) NOT NULL,
+  access_token TEXT NOT NULL,
+  refresh_token TEXT NOT NULL,
   last_updated_at timestamptz NOT NULL DEFAULT now(),
-  
+
   PRIMARY KEY (user_id, provider)
 );