Keep image globs outside quotes so they expand

.gitea/actions/build-image/action.yml

@@ -83,9 +83,10 @@ runs:
         IMAGE_DIR="${{ steps.locate.outputs.image-dir }}"
         shopt -s nullglob
         # only the timestamped names: the short ones are hardlinks to the same
-        # inode and would upload every image twice
+        # inode and would upload every image twice.
+        # NOTE: the glob must stay OUTSIDE the quotes - "$DIR/pat*" never expands.
         FILES=("${IMAGE_DIR}/${{ inputs.image-prefix }}."*.rootfs-[0-9]*.wic.* \
-               "${IMAGE_DIR}/${{ inputs.image-prefix }}-*.rootfs-[0-9]*.wic.*")
+               "${IMAGE_DIR}/${{ inputs.image-prefix }}-"*.rootfs-[0-9]*.wic.*)
         if [ "${#FILES[@]}" -eq 0 ]; then
           echo "::error::no flashable .wic image for ${{ inputs.machine }} in $IMAGE_DIR"
           exit 1