fix americium

Author: SethTisue

proj/americium.conf

@@ -1,8 +1,11 @@
-// https://github.com/sageserpent-open/americium.git#master
+// https://github.com/sageserpent-open/americium.git#e6f3b8503dbff4c532329213761a43f43e628245  # was master
+
+// frozen (August 2024) because the build stopped extracting
+// on JDK 8
 
 vars.proj.americium: ${vars.base} {
   name: "americium"
-  uri: "https://github.com/sageserpent-open/americium.git#b0f48cb19f8a687284bc72de24536e8375e54b46"
+  uri: "https://github.com/sageserpent-open/americium.git#e6f3b8503dbff4c532329213761a43f43e628245"
 
   extra.commands: ${vars.default-commands} [
     "removeScalacOptions -Xsource:3"