build: undo the changes to the lint-security-check workflow

Author: NishaSharma14

.github/workflows/lint-security-check.yml

@@ -62,7 +62,6 @@ jobs:
         run: composer install --no-interaction --prefer-dist --no-progress
 
       - name: PHP code style (Pint)
-        if: ${{ false }} # Temporary: re-enable after resolving CI style drift.
         run: vendor/bin/pint --test
 
       - name: Composer security audit