feat(medusa-react,medusa,utils): add users/me endpoint + add missing specs (#6441)

**what:**

- adds /me endpoint
- adds fixes to routes
- adds specs for auth endpoint
- updates dotenv package versions


Co-authored-by: Philip Korsholm <88927411+pKorsholm@users.noreply.github.com>

integration-tests/modules/medusa-config.js

@@ -5,6 +5,7 @@ const DB_PASSWORD = process.env.DB_PASSWORD
 const DB_NAME = process.env.DB_TEMP_NAME
 const DB_URL = `postgres://${DB_USERNAME}:${DB_PASSWORD}@${DB_HOST}/${DB_NAME}`
 process.env.POSTGRES_URL = DB_URL
+process.env.LOG_LEVEL = "error"
 
 const enableMedusaV2 = process.env.MEDUSA_FF_MEDUSA_V2 == "true"