Update serve-ximera.yml: [a-s]*

Author: wiobber

.github/workflows/serve-ximera.yml

@@ -5,7 +5,7 @@ on:
 
 env: 
   XM_COMPILE_SEQUENCE: html
-  XM_TO_PROCESS: "testxourse.tex calculus1.tex calculus2.tex calculus3.tex calculusA2.tex calculusE.tex calculus1TextbookBySection [a-l]*/exercises/exerciseList.tex"
+  XM_TO_PROCESS: "testxourse.tex calculus1.tex calculus2.tex calculus3.tex calculusA2.tex calculusE.tex calculus1TextbookBySection [a-s]*/exercises/exerciseList.tex"
   # XM_TO_PROCESS: "."
 
 jobs: