chore: Switch to GitHub-native Dependabot

Author: clareliguori

.dependabot/config.yml

@@ -0,0 +1,7 @@
+version: 2
+updates:
+- package-ecosystem: npm
+  directory: "/"
+  schedule:
+    interval: monthly
+  open-pull-requests-limit: 10

.github/dependabot.yml

@@ -12,21 +12,26 @@ pull_request_rules:
       - -merged
       - -closed
       - author!=dependabot[bot]
-      - author!=dependabot-preview[bot]
     actions:
       merge:
         method: squash
         strict: smart
         strict_method: merge
 
-  - name: Automatically approve Dependabot PRs
+  - name: Automatically approve and merge Dependabot PRs
     conditions:
       - base=master
-      - author~=^dependabot(|-preview)\[bot\]$
+      - author=dependabot[bot]
+      - status-success=Run Unit Tests
+      - status-success=Semantic Pull Request
       - -title~=(WIP|wip)
       - -label~=(blocked|do-not-merge)
       - -merged
       - -closed
     actions:
       review:
         type: APPROVE
+      merge:
+        method: squash
+        strict: smart+fasttrack
+        strict_method: merge