Prepare 5.15.4

- lower dependencies schedule (each week is enough)
- fix typo in release label to exclude
- use osls instead of serverless v3 (which is out of date and contains a lot of security vuln)
- bump all deps

Author: j0k3r

.github/dependabot.yml

@@ -3,7 +3,7 @@ updates:
   - package-ecosystem: 'npm'
     directory: '/'
     schedule:
-      interval: 'daily'
+      interval: 'weekly'
       time: '02:00'
       timezone: Europe/Paris
     open-pull-requests-limit: 10

.github/release.yml

@@ -1,6 +1,6 @@
 changelog:
   exclude:
     labels:
-      - Dependencies
+      - dependencies
     authors:
       - dependabot