Upgrade to GitHub-native Dependabot

Author: dependabot-preview[bot]

.github/dependabot.yml

@@ -0,0 +1,21 @@
+version: 2
+updates:
+- package-ecosystem: maven
+  directory: "/"
+  schedule:
+    interval: daily
+  open-pull-requests-limit: 10
+  ignore:
+  - dependency-name: org.springframework.boot:spring-boot-starter-parent
+    versions:
+    - "> 1.5.22.RELEASE"
+  - dependency-name: com.fasterxml.jackson.core:jackson-core
+    versions:
+    - 2.12.1
+    - 2.12.2
+  - dependency-name: org.eclipse.jgit:org.eclipse.jgit
+    versions:
+    - 5.10.0.202012080955-r
+  - dependency-name: org.apache.jena:jena-osgi
+    versions:
+    - 3.17.0