Upgrade to GitHub-native Dependabot

.github/dependabot.yml

@@ -0,0 +1,61 @@
+version: 2
+updates:
+- package-ecosystem: gradle
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "21:00"
+  open-pull-requests-limit: 10
+  reviewers:
+  - yidongnan
+  ignore:
+  - dependency-name: com.google.protobuf:protoc
+    versions:
+    - 3.14.0
+    - 3.15.0
+    - 3.15.1
+    - 3.15.2
+    - 3.15.3
+    - 3.15.4
+    - 3.15.5
+    - 3.15.6
+    - 3.15.7
+  - dependency-name: io.grpc:protoc-gen-grpc-java
+    versions:
+    - 1.35.0
+    - 1.36.0
+    - 1.36.1
+  - dependency-name: io.grpc:grpc-stub
+    versions:
+    - 1.35.0
+    - 1.36.0
+    - 1.36.1
+  - dependency-name: io.grpc:grpc-protobuf
+    versions:
+    - 1.35.0
+    - 1.36.0
+    - 1.36.1
+  - dependency-name: io.grpc:grpc-netty
+    versions:
+    - 1.35.0
+    - 1.36.0
+    - 1.36.1
+  - dependency-name: org.springframework.boot:spring-boot-gradle-plugin
+    versions:
+    - 2.4.2
+    - 2.4.3
+    - 2.4.4
+  - dependency-name: org.springframework.cloud:spring-cloud-dependencies
+    versions:
+    - Hoxton.SR10
+    - Hoxton.SR9
+  - dependency-name: com.google.protobuf:protobuf-gradle-plugin
+    versions:
+    - 0.8.14
+    - 0.8.15
+  - dependency-name: net.devh:grpc-server-spring-boot-starter
+    versions:
+    - 2.10.1.RELEASE
+  - dependency-name: net.devh:grpc-client-spring-boot-starter
+    versions:
+    - 2.10.1.RELEASE