Automate Palantir Java Formatter updates using renovate (#1191)

Author: strangelookingnerd

.github/dependabot.yml

@@ -0,0 +1,34 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:recommended",
+    ":semanticCommitsDisabled",
+    "schedule:daily"
+  ],
+  "automerge": true,
+  "ignoreDeps": [
+    "org.jenkins-ci.main:jenkins-bom",
+    "org.jenkins-ci.main:jenkins-core",
+    "org.jenkins-ci.main:jenkins-war",
+    // see https://github.com/apache/maven-surefire/issues/2601
+    "org.apache.maven.plugins:maven-failsafe-plugin",
+    "org.apache.maven.plugins:maven-surefire-plugin"
+  ],
+  "labels": [
+    "dependencies"
+  ],
+  "customManagers": [
+    {
+      "customType": "regex",
+      "managerFilePatterns": [
+        "/pom.xml/"
+      ],
+      "matchStrings": [
+        "<palantirJavaFormat>\\n\\s+<version>(?<currentValue>.*)<\\/version>\\n\\s+<\\/palantirJavaFormat>"
+      ],
+      "depNameTemplate": "com.palantir.javaformat:palantir-java-format",
+      "datasourceTemplate": "maven"
+    }
+  ],
+  "rebaseWhen": "conflicted"
+}

.github/renovate.json5

@@ -719,9 +719,9 @@
             <indent>
               <spaces>true</spaces>
             </indent>
+            <!-- Declare version so that spotless does not choose a version based on JDK version -->
+            <!-- https://github.com/diffplug/spotless/issues/2503#issuecomment-2953146277 -->
             <palantirJavaFormat>
-              <!-- Declare version so that spotless does not choose a version based on JDK version -->
-              <!-- https://github.com/diffplug/spotless/issues/2503#issuecomment-2953146277 -->
               <version>2.73.0</version>
             </palantirJavaFormat>
             <removeUnusedImports />