Make it work with non-executable scripts

sh/tests/to-git-or-not-to-git_test.sh

@@ -5,7 +5,7 @@ set -euo pipefail
 IFS='
 '
 
-submitted=$(./student/to-git-or-not-to-git.sh)
-expected=$(./solutions/to-git-or-not-to-git.sh)
+submitted=$(bash student/to-git-or-not-to-git.sh)
+expected=$(bash solutions/to-git-or-not-to-git.sh)
 
 diff <(echo "$submitted") <(echo "$expected")

subjects/to-git-or-not-to-git/README.md

@@ -15,7 +15,7 @@ curl -s https://((DOMAIN))/api/graphql-engine/v1/graphql --data '{"query":"{user
 ### Usage
 
 ```console
-$ ./to-git-or-not-to-git.sh
+$ bash to-git-or-not-to-git.sh
 231748
 $
 ```