Upgrade to GitHub-native Dependabot (#1566)

* Upgrade to GitHub-native Dependabot

* Update dependabot.yml

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>
Co-authored-by: [ Cassondra ] <[email protected]>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: 3 people

.github/dependabot.yml

@@ -0,0 +1,8 @@
+version: 2
+updates:
+- package-ecosystem: npm
+  directory: "/"
+  schedule:
+    interval: weekly
+  open-pull-requests-limit: 10
+  versioning-strategy: increase-if-necessary