feat: move password reset tokens to valkey

Also just as useless to keep in DB

migrations/2025-06-03-110142_remove_password_reset_tokens/down.sql

@@ -0,0 +1,7 @@
+-- This file should undo anything in `up.sql`
+CREATE TABLE password_reset_tokens (
+    token VARCHAR(64) NOT NULL,
+    user_uuid uuid UNIQUE NOT NULL REFERENCES users(uuid),
+    created_at TIMESTAMPTZ NOT NULL,
+    PRIMARY KEY (token, user_uuid)
+);

migrations/2025-06-03-110142_remove_password_reset_tokens/up.sql

@@ -0,0 +1,2 @@
+-- Your SQL goes here
+DROP TABLE password_reset_tokens;