Change dependabot interval to weekly (#68)

Author: lucacome

.github/dependabot.yml

@@ -3,27 +3,26 @@ updates:
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
-      interval: daily
+      interval: weekly
     reviewers:
       - "nginxinc/kic"
       - "ciarams87"
-      - "sundaram1995"
   - package-ecosystem: "gomod"
     directory: "/"
     schedule:
-      interval: daily
+      interval: weekly
     reviewers:
       - "nginxinc/kic"
   - package-ecosystem: "docker"
     directory: "/build"
     schedule:
-      interval: daily
+      interval: weekly
     reviewers:
       - "nginxinc/kic"
   - package-ecosystem: "pip"
     directory: "/tests"
     schedule:
-      interval: daily
+      interval: weekly
     reviewers:
       - "nginxinc/kic"
       - "vepatel"