Upgrade to GitHub-native Dependabot

Author: dependabot-preview[bot]

.github/dependabot.yml

@@ -0,0 +1,23 @@
+version: 2
+updates:
+- package-ecosystem: npm
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "10:00"
+    timezone: Europe/Madrid
+  open-pull-requests-limit: 10
+  ignore:
+  - dependency-name: postcss
+    versions:
+    - 8.2.10
+    - 8.2.12
+    - 8.2.4
+    - 8.2.5
+    - 8.2.6
+    - 8.2.7
+    - 8.2.8
+    - 8.2.9
+  - dependency-name: y18n
+    versions:
+    - 4.0.2