fix: explicit token from env and valid schedule syntax in renovate config

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

renovate/configmap-renovate.yaml

@@ -8,6 +8,7 @@ data:
     module.exports = {
       platform: 'gitea',
       endpoint: 'https://git.chemavx.xyz',
+      token: process.env.RENOVATE_TOKEN,
       repositories: [
         'chemavx/researchowl',
         'chemavx/polymarket-bot',
@@ -18,7 +19,7 @@ data:
       labels: ['renovate'],
       prCreation: 'not-pending',
       timezone: 'Europe/Madrid',
-      schedule: ['after 9am and before 6pm on weekdays'],
+      schedule: ['after 9am and before 6pm every weekday'],
       packageRules: [
         {
           // Major bumps: crear PR pero no automerge, requiere revisión manual