Handle <p> in Maven Plugin Reference documentation

See gh-43622

buildSrc/src/main/java/org/springframework/boot/build/mavenplugin/PluginXmlParser.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 the original author or authors.
+ * Copyright 2012-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -118,6 +118,7 @@ class PluginXmlParser {
 			.replace("<br>", " ")
 			.replace("\n", " ")
 			.replace("&quot;", "\"")
+			.replace("<p>", " ")
 			.replaceAll("\\{@code (.*?)}", "`$1`")
 			.replaceAll("\\{@link (.*?)}", "`$1`")
 			.replaceAll("\\{@literal (.*?)}", "`$1`")