[try] smaller batches when batch-byte-compile

.ci/batch-byte-compile.sh

@@ -20,7 +20,14 @@ trap cleanup ERR INT TERM
 # directories.  Directory extensions is skipped because this is not Exordium
 # code.  Split them into smaller chunks, because Emacs on GitHub worker tends
 # to segmentation fault when there's too much to compile in one go.
-for pattern in "modules/*.el" "init.el" "themes/*.el" ".ci/*.el"; do
+for pattern in \
+        "modules/init-[a-f]*.el" \
+        "modules/init-[g-l]*.el" \
+        "modules/init-[m-r]*.el" \
+        "modules/init-[s-z]*.el" \
+        "init.el" \
+        "themes/*.el" \
+        ".ci/*.el"; do
     echo "===Byte compiling: ${pattern}==="
 
     # Use find to find file names such that globs are expanded while prevent