fix: Correct env substitution in Db module example
fix: Correct env substitution in Db module example

Add missing `%` around `DB_PASSWORD` example
Codeception/Codeception,Codeception/base,Codeception/Codeception,Naktibalda/Codeception,Naktibalda/Codeception,Codeception/base,Naktibalda/Codeception,Codeception/base