Upgrade to GitHub-native Dependabot

.github/dependabot.yml

@@ -0,0 +1,22 @@
+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:
+    - 2.4.2
+    - 2.4.3
+    - 2.4.4
+  - dependency-name: com.sun.xml.bind:jaxb-impl
+    versions:
+    - 3.0.0
+  - dependency-name: com.sun.xml.bind:jaxb-core
+    versions:
+    - 3.0.0
+  - dependency-name: io.fabric8:docker-maven-plugin
+    versions:
+    - 0.34.1