CI/pr-size: Build MULTILANG variants

.github/workflows/pr-size.sh

@@ -26,11 +26,14 @@ avr_ram()
 echo "This PR will consume:" > "$MESSAGE"
 for TARGET in $@
 do
-    base_bin=$(echo ${BASE_DIR}/build_gen/*/$TARGET)
+    # strip the multilang prefix
+    variant=${TARGET%_MULTILANG}
+
+    base_bin=$(echo ${BASE_DIR}/build_gen/$variant/${variant}_lang_base)
     base_flash=$(avr_flash "$base_bin")
     base_ram=$(avr_ram "$base_bin")
 
-    pr_bin=$(echo ${PR_DIR}/build_gen/*/$TARGET)
+    pr_bin=$(echo ${PR_DIR}/build_gen/$variant/${variant}_lang_base)
     pr_flash=$(avr_flash "$pr_bin")
     pr_ram=$(avr_ram "$pr_bin")
 

.github/workflows/pr-size.yml

@@ -5,7 +5,7 @@ on:
     branches: [ MK3, MK3_* ]
 
 env:
-    TARGETS: "MK3S-EINSy10a_ENGLISH MK3-EINSy10a_ENGLISH"
+    TARGETS: "MK3S_MULTILANG MK3_MULTILANG"
 
 jobs:
   build: