Use checkstyle for Java 11 (#123)

* Use checkstyle 10 now that we require Java 11

* Label dependabot pull requests

.github/dependabot.yml

@@ -1,16 +1,16 @@
-# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
-
+# https://docs.github.com/en/code-security/dependabot/dependabot-version-updates/configuring-dependabot-version-updates
+---
 version: 2
 updates:
   - package-ecosystem: "maven"
     directory: "/"
+    labels:
+      - "dependencies"
     schedule:
       interval: "monthly"
-    ignore:
-      # Starting with version 10.0, this library requires Java 11
-      - dependency-name: "com.puppycrawl.tools:checkstyle"
-        versions: [">=10.0"]
   - package-ecosystem: "github-actions"
     directory: "/"
+    labels:
+      - "skip-changelog"
     schedule:
       interval: "monthly"

pom.xml

@@ -264,7 +264,7 @@
                     <dependency>
                         <groupId>com.puppycrawl.tools</groupId>
                         <artifactId>checkstyle</artifactId>
-                        <version>9.3</version>
+                        <version>10.12.3</version>
                     </dependency>
                 </dependencies>
                 <executions>