Update rules and utils to use lemonxx

diff --git a/rules b/rules
index bd52bb81d0b9b6d93a31d3d78801798e13d05a8a..dd266666b0a0a1e0435616add002cef9adfdee5f 160000 (submodule)
--- a/rules
+++ b/rules
@@ -1 +1 @@
-Subproject commit bd52bb81d0b9b6d93a31d3d78801798e13d05a8a
+Subproject commit dd266666b0a0a1e0435616add002cef9adfdee5f

diff --git a/utils b/utils
index 00ae10fbac5ef65798350fdbc1301c831abf28df..dcf7a490d4cff66b14fa5b42afc1e484fb0dd96b 160000 (submodule)
--- a/utils
+++ b/utils
@@ -1 +1 @@
-Subproject commit 00ae10fbac5ef65798350fdbc1301c831abf28df
+Subproject commit dcf7a490d4cff66b14fa5b42afc1e484fb0dd96b