update dependabot schedule

Author: anthony-nhs

.github/dependabot.yml

@@ -9,7 +9,9 @@ updates:
     # default location of `.github/workflows`
     directory: "/"
     schedule:
-      interval: "daily"
+      interval: "weekly"
+      day: "friday"
+      time: "18:00" #UTC
     commit-message:
       prefix: "Upgrade: [dependabot] - "
 
@@ -19,7 +21,9 @@ updates:
   - package-ecosystem: "npm"
     directory: "/"
     schedule:
-      interval: "daily"
+      interval: "weekly"
+      day: "friday"
+      time: "18:00" #UTC
     versioning-strategy: increase
     open-pull-requests-limit: 20
     commit-message:
@@ -31,7 +35,9 @@ updates:
   - package-ecosystem: "pip"
     directory: "/"
     schedule:
-      interval: "daily"
+      interval: "weekly"
+      day: "friday"
+      time: "18:00" #UTC
     versioning-strategy: increase
     commit-message:
-      prefix: "Upgrade: [dependabot] - "
+      prefix: "Upgrade: [dependabot] - "