fix: run pre-commit checks instead of flake8 and isort

Signed-off-by: Leonidas Spyropoulos <artafinde@archlinux.org>

docker/scripts/install-deps.sh

@@ -18,6 +18,6 @@ pacman -Syu --noconfirm --noprogressbar \
     php php-fpm memcached php-memcached python-pip pyalpm \
     python-srcinfo curl libeatmydata cronie python-poetry \
     python-poetry-core step-cli step-ca asciidoc \
-    python-virtualenv
+    python-virtualenv python-pre-commit
 
 exec "$@"

docker/scripts/run-tests.sh

@@ -21,8 +21,7 @@ rm -f /data/.coverage
 cp -v .coverage /data/.coverage
 chmod 666 /data/.coverage
 
-# Run flake8 and isort checks.
+# Run pre-commit checks
 for dir in aurweb test migrations; do
-    flake8 --count $dir
-    isort --check-only $dir
+    pre-commit run -a
 done