Specify Java version

Signed-off-by: Taylor Smock <[email protected]>

Author: tsmock

.github/workflows/ant.yml

@@ -52,6 +52,7 @@ jobs:
     with:
       josm-revision: ${{ matrix.josm-revision }}
       perform-revision-tagging: ${{ github.repository == 'JOSM/todo' && github.ref_type == 'branch' && github.ref_name == 'master' && github.event_name != 'schedule' && github.event_name != 'pull_request' && matrix.josm-revision == 'r19044' }}
+      java-version: 17
     secrets: inherit
     permissions:
       attestations: write