fix: correct end-of-life date for deprecated Questionnaire API endpoints

Author: Maffooch

docs/content/releases/os_upgrading/2.56.md

@@ -7,7 +7,7 @@ description: Deprecation of Questionnaire API Endpoints
 
 ## Deprecation: Questionnaire API Endpoints
 
-The following Questionnaire API endpoints are being deprecated and will be removed in DefectDojo 2.59.0 on June 2nd, 2026:
+The following Questionnaire API endpoints are being deprecated and will be removed in DefectDojo 2.59.0 on June 1st, 2026:
 
 - `/api/v2/questionnaire_answered_questionnaires/`
 - `/api/v2/questionnaire_answers/`
@@ -17,11 +17,11 @@ The following Questionnaire API endpoints are being deprecated and will be remov
 
 ### Required Actions
 
-Support for these endpoints will be fully removed in DefectDojo 2.59.0 (scheduled for June 2nd, 2026). After this date, any requests to these endpoints will return a 404 Not Found error.
+Support for these endpoints will be fully removed in DefectDojo 2.59.0 (scheduled for June 1st, 2026). After this date, any requests to these endpoints will return a 404 Not Found error.
 
 ### Timeline
 
 - **DefectDojo 2.56.x onwards**: Endpoints are deprecated with deprecation headers
-- **DefectDojo 2.59.0 (June 2nd, 2026)**: Endpoints will be removed entirely
+- **DefectDojo 2.59.0 (June 1st, 2026)**: Endpoints will be removed entirely
 
 For more information, check the [Release Notes](https://github.com/DefectDojo/django-DefectDojo/releases/tag/2.56.0).