build(ci): remove reviewers as github handles that through codeowners. Add cooldown of 1 day to prevent dependabot from opening up a PR that pnpm will fail

Author: erinxocon

.github/CODEOWNERS

@@ -1,4 +1,4 @@
 # Dependency updates
 package.json @system76/web-engineering
 pnpm-lock.yaml @system76/web-engineering
-pnpm-workspace.yaml @system76/web-engineering
+pnpm-workspace.yaml @system76/web-engineering

.github/dependabot.yml

@@ -5,13 +5,13 @@ updates:
     schedule:
       interval: "weekly"
       day: "monday"
-    reviewers:
-      - "system76/web-engineering"
+    cooldown:
+      default-days: 1
 
   - package-ecosystem: "npm"
     directory: "/"
     schedule:
       interval: "weekly"
       day: "monday"
-    reviewers:
-      - "system76/web-engineering"
+    cooldown:
+      default-days: 1