fix: supprimer tous les ${VAR} restants dans les commands

${PROJECT} dans configure -> $PROJECT (boucle infinie car substitue vide)
${CI_BUILD_NUMBER}, ${CI_COMMIT_SHA}, ${CI_COMMIT_BRANCH} dans notify-failure

Regle : jamais ${VAR} dans les commands Woodpecker next.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.woodpecker.yml

@@ -114,13 +114,13 @@ steps:
         MAX=60
         i=0
         until [ $i -ge $MAX ]; do
-          READY=$(docker exec "${PROJECT}-db" mysql -uprestashop -p"$DB_PASS" -se \
+          READY=$(docker exec "$PROJECT-db" mysql -uprestashop -p"$DB_PASS" -se \
             "SELECT COUNT(*) FROM prestashop.ps_configuration WHERE name='PS_SSL_ENABLED';" 2>/dev/null || echo 0)
           if [ "$READY" -gt "0" ] 2>/dev/null; then
             echo "Base prete, activation SSL..."
-            docker exec "${PROJECT}-db" mysql -uprestashop -p"$DB_PASS" prestashop -e \
+            docker exec "$PROJECT-db" mysql -uprestashop -p"$DB_PASS" prestashop -e \
               "UPDATE ps_configuration SET value='1' WHERE name IN ('PS_SSL_ENABLED','PS_SSL_ENABLED_EVERYWHERE');"
-            docker exec "${PROJECT}-app" rm -rf /var/www/html/var/cache/prod/ 2>/dev/null || true
+            docker exec "$PROJECT-app" rm -rf /var/www/html/var/cache/prod/ 2>/dev/null || true
             echo "SSL active dans DB, cache efface"
             break
           fi
@@ -162,7 +162,7 @@ steps:
   - name: notify-failure
     image: alpine:3.20
     commands:
-      - 'echo "ECHEC pipeline #${CI_BUILD_NUMBER} sur commit ${CI_COMMIT_SHA}"'
+      - 'echo "ECHEC pipeline #$CI_BUILD_NUMBER sur commit $CI_COMMIT_SHA"'
-      - 'echo "Branche: ${CI_COMMIT_BRANCH}"'
+      - 'echo "Branche: $CI_COMMIT_BRANCH"'
     when:
       - status: failure