Update dependabot.yml (#942)

Author: jonolehagemo

.github/dependabot.yml

@@ -3,24 +3,27 @@ updates:
   - package-ecosystem: gradle
     directory: "/"
     schedule:
-      interval: daily
+      interval: weekly
+      day: wednesday
       time: "03:00"
       timezone: Europe/Oslo
-    open-pull-requests-limit: 10
+    open-pull-requests-limit: 20
 
   - package-ecosystem: npm
     versioning-strategy: increase
     directory: "/web-frontend"
     schedule:
-      interval: daily
+      interval: weekly
+      day: wednesday
       time: "03:00"
       timezone: Europe/Oslo
     open-pull-requests-limit: 20
 
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
-      interval: "daily"
+      interval: weekly
+      day: wednesday
       time: "03:00"
       timezone: Europe/Oslo
     open-pull-requests-limit: 10