Configure dependabot to run on mondays at 08:00 in the Europe/Zurich timezone (#335)

* Configure dependabot to run on mondays at 04:00 in the Europe/Zurich time zone

---------

Co-authored-by: Pablo Garcia Miranda <pablo.garciamiranda@swisscom.com>

Author: pablogarciamiranda

.github/dependabot.yaml

@@ -1,19 +1,27 @@
----
 version: 2
 updates:
   - package-ecosystem: github-actions
     directory: /
     schedule:
       interval: weekly
+      day: monday
+      time: "04:00"
+      timezone: "Europe/Zurich"
 
   - package-ecosystem: gomod
     directory: /
     schedule:
       interval: weekly
+      day: monday
+      time: "04:00"
+      timezone: "Europe/Zurich"
     allow:
       - dependency-type: all
 
   - package-ecosystem: docker
     directory: /
     schedule:
       interval: weekly
+      day: monday
+      time: "04:00"
+      timezone: "Europe/Zurich"