Fixed struct sizes missing from generated release notes

This script was missed during a struct -> structs naming change

.github/workflows/release.yml

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 61b2972..5ccc9e0 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -112,7 +112,7 @@
             table[$i,$j]=$c_camel
             ((j+=1))
 
-            for s in code stack struct
+            for s in code stack structs
             do
               f=sizes/thumb${c:+-$c}.$s.csv
               [ -e $f ] && table[$i,$j]=$( \