chore(external-secrets): Add versions 1.0.0 and 1.1.1 (#584)

Author: bison

libs/external-secrets/config.jsonnet

@@ -13,11 +13,9 @@ local
     };
 
 local versions = [
-  version('0.15', '0.15.1'),
-  version('0.16', '0.16.2'),
-  version('0.17', '0.17.0'),
-  version('0.18', '0.18.2'),
   version('0.19', '0.19.2'),
+  version('1.0', '1.0.0'),
+  version('1.1', '1.1.1'),
 ];
 
 config.new(