chore: update .github/dependabot.yml (#163)

Co-authored-by: joshjohanning-repo-settings-sync[bot] <237077283+joshjohanning-repo-settings-sync[bot]@users.noreply.github.com>

Author: joshjohanning-repo-settings-sync[bot]

.github/dependabot.yml

@@ -18,3 +18,16 @@ updates:
       github-actions:
         patterns:
           - '*'
+
+  - package-ecosystem: 'npm'
+    directories:
+      - '*'
+    schedule:
+      interval: 'weekly'
+    open-pull-requests-limit: 0
+    groups:
+      npm-security:
+        applies-to: security-updates
+        group-by: dependency-name
+        patterns:
+          - '*'