remove square brackets again from version number in changelog

Author: sephiroth-j

CHANGELOG.md

@@ -1,11 +1,11 @@
 # Dependency-Track Jenkins Plugin - Changelog
 
-## [Unreleased]
+## Unreleased
 ### ⚠ Breaking
 ### ⭐ New Features
 ### 🐞 Bugs Fixed
 
-## [v5.1.0] - 2024-09-20
+## v5.1.0 - 2024-09-20
 ### ⚠ Breaking
 ### ⭐ New Features
 - Support for specifying the parent project using its name and version as an alternative to its ID ([#261](https://github.com/jenkinsci/dependency-track-plugin/issues/261))
@@ -14,7 +14,7 @@
 
 ### 🐞 Bugs Fixed
 
-## [v5.0.0] - 2024-05-30
+## v5.0.0 - 2024-05-30
 ### ⚠ Breaking
 - require Jenkins 2.440.1 or newer
 - require Java 11 or newer ([required since Jenkins 2.361.1](https://www.jenkins.io/blog/2022/06/28/require-java-11/))

pom.xml

@@ -145,12 +145,12 @@
                                         <echo level="info" message="Update CHANGELOG with version: v${project.version} - ${build.date}" />
                                         <replace file="CHANGELOG.md" encoding="${project.build.sourceEncoding}" summary="true">
                                             <replacetoken>[Unreleased]</replacetoken>
-                                            <replacevalue><![CDATA[[Unreleased]
+                                            <replacevalue><![CDATA[Unreleased
 ### ⚠ Breaking
 ### ⭐ New Features
 ### 🐞 Bugs Fixed
 
-## [v${project.version}] - @build.date@]]></replacevalue>
+## v${project.version} - @build.date@]]></replacevalue>
                                         </replace>
                                         <!-- extra step is required because ${build.date} is not evaluated in previous replacevalue-element -->
                                         <replace file="CHANGELOG.md" encoding="${project.build.sourceEncoding}" token="@build.date@" value="${build.date}" />