chore(ci): stabilize repo config (Dependabot, CoC, Scorecard badge, auto-assign pin) (#54)

Author: CoderDeltaLAN

.github/dependabot.yml

@@ -2,13 +2,19 @@ version: 2
 updates:
   - package-ecosystem: "github-actions"
     directory: "/"
-    schedule: { interval: "weekly", day: "saturday", time: "06:00" }
-    open-pull-requests-limit: 5
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "06:00"
   - package-ecosystem: "npm"
     directory: "/"
-    schedule: { interval: "weekly", day: "saturday", time: "06:15" }
-    open-pull-requests-limit: 5
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "06:15"
   - package-ecosystem: "pip"
     directory: "/"
-    schedule: { interval: "weekly", day: "saturday", time: "06:30" }
-    open-pull-requests-limit: 5
+    schedule:
+      interval: "weekly"
+      day: "saturday"
+      time: "06:30"