chore: update dependabot schedule to run on Mondays at 05:00 UTC (#215)

Co-authored-by: ChristophShyper <45788587+ChristophShyper@users.noreply.github.com>

Author: github-actions[bot]

.github/dependabot.yml

@@ -4,6 +4,9 @@ updates:
     directory: /
     schedule:
       interval: weekly
+      day: monday
+      time: "05:00"
+      timezone: "UTC"
     assignees:
       - ChristophShyper
     groups:
@@ -15,6 +18,9 @@ updates:
     directory: /
     schedule:
       interval: weekly
+      day: monday
+      time: "05:00"
+      timezone: "UTC"
     assignees:
       - ChristophShyper
     groups: