fix: correct environment variable naming for parallel usage with phplist3

Author: tatevikg1

.env.dist

@@ -25,7 +25,7 @@ PREFERENCEPAGE_SHOW_PRIVATE_LISTS=0
 API_BASE_URL=http://api.phplist.local/
 FRONT_END_BASE_URL=http://frontend.phplist.local
 
-parallel_use_with_phplist3=0
+PARALLER_USE_WITH_PHPLIST3=0
 
 # Email configuration
 MAILER_FROM=noreply@phplist.com
@@ -92,4 +92,4 @@ PHPLIST_UPLOADS_MAX_SIZE=5M
 PUBLIC_SCHEMA=https
 PHPLIST_ATTACHMENT_DOWNLOAD_URL=https://example.com/download/
 PHPLIST_ATTACHMENT_REPOSITORY_PATH=/tmp
-MAX_AVATAR_SIZE=100000
+MAX_AVATAR_SIZE=100000

config/parameters.yml

@@ -24,7 +24,7 @@ parameters:
     app.api_base_url: '%env(API_BASE_URL)%'
     app.frontend_base_url: '%env(FRONT_END_BASE_URL)%'
 
-    parallel_use_with_phplist3: '%env(parallel_use_with_phplist3)%'
+    parallel_use_with_phplist3: '%env(PARALLER_USE_WITH_PHPLIST3)%'
 
     # Email configuration
     app.mailer_from: '%env(MAILER_FROM)%'