feat: add utils.hasChanges() utility method

vars/utils.groovy

@@ -1,4 +1,5 @@
 import org.jenkinsci.plugins.pipeline.modeldefinition.Utils
+import org.jenkinsci.plugins.pipeline.modeldefinition.when.impl.ChangeSetConditional
 
 void when(Boolean condition, body) {
     Map config = [:]
@@ -97,3 +98,20 @@ List<String> getProjectVersionTags(String overrideChannel = '') {
 Boolean isPR() {
     return env.BRANCH_NAME ==~ /^PR-.*$/
 }
+
+
+def hasChanges(String pattern) {
+    def changeLogSets = currentBuild.changeSets
+    def conditional = new ChangeSetConditional(pattern)
+
+    for (set in changeLogSets) {
+        def entries = set.items
+        for (entry in entries) {
+            if (conditional.changeSetMatches(entry, pattern, true)) {
+                return true;
+            }
+        }
+    }
+
+    return false;
+}