Merge pull request #4029 from oleg-nenashev/winp/1.28-2

[JENKINS-57477] - Update to WinP 1.28 to fix process termination logic on Windows

core/pom.xml

@@ -514,7 +514,7 @@ THE SOFTWARE.
     <dependency>
       <groupId>org.jvnet.winp</groupId>
       <artifactId>winp</artifactId>
-      <version>1.27</version>
+      <version>1.28</version>
     </dependency>
     <dependency>
       <groupId>org.jenkins-ci</groupId>