Downgrade winstone to 8.14 and Jetty to 12.1.1

Author: alecharp

pom.xml

@@ -98,7 +98,7 @@ THE SOFTWARE.
     <spotless.check.skip>false</spotless.check.skip>
     <ban-junit4-imports.skip>false</ban-junit4-imports.skip>
     <!-- Make sure to keep the jetty-ee9-maven-plugin version in war/pom.xml in sync with the Jetty release in Winstone: -->
-    <winstone.version>8.15</winstone.version>
+    <winstone.version>8.14</winstone.version>
     <node.version>24.10.0</node.version>
   </properties>
 

war/pom.xml

@@ -654,7 +654,7 @@ THE SOFTWARE.
           contains a version of Jetty that is older than this, trigger Dependabot in jenkinsci/winstone and release the
           result before proceeding with the update here.
         -->
-        <version>12.1.2</version>
+        <version>12.1.1</version>
         <configuration>
           <!--
             Reload webapp when you hit ENTER. (See JETTY-282 for more)