[bbb-greenlight] Fix entrypoint name

[Bartłomiej Piotrowski <bpiotrowski src gnome org>]

commit 8217c24ca0b92e53100b40bb7b8a1e4b68e711e4
Author: Bartłomiej Piotrowski <bpiotrowski gnome org>
Date:   Mon Jun 14 15:46:44 2021 +0200

    Fix entrypoint name

 Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/Dockerfile b/Dockerfile
index a03ae5c..cb271ad 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,4 +6,4 @@ RUN apk add -U patch && \
     rm -f /ldap.patch
 
 ADD entrypoint /entrypoint
-ENTRYPOINT ["/entrypoint.sh"]
+ENTRYPOINT ["/entrypoint"]