Indent Dependabot update config entries

- Makes MegaLinter happy
- Makes it in sync with the Dependabot documentation

Author: ljacqu

.github/dependabot.yml

@@ -1,18 +1,18 @@
 version: 2
 updates:
-- package-ecosystem: maven
-  directory: "/"
-  schedule:
-    interval: daily
-  open-pull-requests-limit: 10
-  target-branch: dependencies
-  ignore:
-    - dependency-name: "org.mockito:mockito-core"
-      versions: [">= 5"]
-    - dependency-name: "org.mockito:mockito-junit-jupiter"
-      versions: [">= 5"]
-- package-ecosystem: "github-actions"
-  directory: "/"
-  schedule:
-    interval: daily
-  target-branch: master
+  - package-ecosystem: maven
+    directory: "/"
+    schedule:
+      interval: daily
+    open-pull-requests-limit: 10
+    target-branch: dependencies
+    ignore:
+      - dependency-name: "org.mockito:mockito-core"
+        versions: [">= 5"]
+      - dependency-name: "org.mockito:mockito-junit-jupiter"
+        versions: [">= 5"]
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: daily
+    target-branch: master