Merge branch '1-add-memory-leak-check-to-github-ci' into 'develop'

Fix issue with bash script for memleak ci

See merge request njoy/ENDFtk!5

.github/scripts/prep_valgrind_test.sh

@@ -1,7 +1,7 @@
 #! /bin/bash
 echo "
 check_return_code() {
-        if [ $? -ne 0 ]; then
+        if [ \$? -ne 0 ]; then
                 echo \"Memory leak detected. Test Failed...\"
                 exit 1
         fi
@@ -12,5 +12,5 @@ check_return_code() {
 find . -iname "*.test" -type f | while IFS= read -r line; do
 	dirname=$(dirname "$line")
 	realname=$(basename "$line")
-	echo "cd ${dirname}; valgrind --leak-check=full --show-leak-kinds=all --error-exitcode=1 ./${realname}; check_return_code; cd -" >> test_valgrind.sh
+	echo "cd ${dirname}; valgrind --leak-check=full --show-leak-kinds=all --errors-for-leak-kinds=all --error-exitcode=1 ./${realname}; check_return_code; cd -" >> test_valgrind.sh
 done