Update stapler.version to v1896 (major) (#9651)

Update dependency org.kohsuke.stapler:stapler-groovy to v1896

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

bom/pom.xml

@@ -39,7 +39,7 @@ THE SOFTWARE.
 
   <properties>
     <commons-fileupload2.version>2.0.0-M2</commons-fileupload2.version>
-    <stapler.version>1894.v82b_2fb_35519d</stapler.version>
+    <stapler.version>1896.v8170998149d0</stapler.version>
     <groovy.version>2.4.21</groovy.version>
   </properties>