activate E 3.0 after testing by Martin Desharnais, see also db72d9920186 and 788f11af9822;
--- a/Admin/components/main Thu Mar 07 23:58:01 2024 +0100
+++ b/Admin/components/main Fri Mar 08 10:57:59 2024 +0100
@@ -4,7 +4,7 @@
bib2xhtml-20190409
csdp-6.1.1
cvc4-1.8
-e-2.6-1
+e-3.0.03
easychair-3.5
eptcs-1.7.0
flatlaf-2.6