Use Java 23 when running JDT-LS build in licensecheck workflow.

Signed-off-by: Roland Grunberg <rgrunber@redhat.com>

Author: rgrunber

.github/workflows/licensecheck.yml

@@ -11,6 +11,7 @@ on:
      - 'master'
   issue_comment:
     types: [created]
+  workflow_dispatch:
 
 jobs:
   call-license-check:
@@ -20,5 +21,6 @@ jobs:
     with:
       projectId: eclipse.jdt.ls
       submodules: recursive
+      javaVersion: '23'
     secrets:
       gitlabAPIToken: ${{ secrets.ECLIPSE_GITLAB_API_TOKEN }}