Add end-of-life message to issue templates

Signed-off-by: Laura Brehm <[email protected]>

.github/ISSUE_TEMPLATE/bug_report.md

@@ -7,6 +7,16 @@ assignees: ''
 
 ---
 
+<!--
+**DEPRECATION NOTICE:**
+
+Compose V1 is end-of-life, and as such only issues relating to security vulnerabilities will be considered.
+
+Please do not submit issues regarding bugs or improvements.
+
+For a more up-to-date compose, check v2: https://github.com/docker/compose/tree/v2/
+-->
+
 <!--
 Welcome to the docker-compose issue tracker! Before creating an issue, please heed the following:
 

.github/ISSUE_TEMPLATE/feature_request.md

@@ -7,6 +7,16 @@ assignees: ''
 
 ---
 
+<!--
+**DEPRECATION NOTICE:**
+
+Compose V1 is end-of-life, and as such only issues relating to security vulnerabilities will be considered.
+
+Please do not submit issues regarding bugs or improvements.
+
+For a more up-to-date compose, check v2: https://github.com/docker/compose/tree/v2/
+-->
+
 <!--
 Welcome to the docker-compose issue tracker! Before creating an issue, please heed the following:
 

.github/ISSUE_TEMPLATE/question-about-using-compose.md

@@ -7,6 +7,16 @@ assignees: ''
 
 ---
 
+<!--
+**DEPRECATION NOTICE:**
+
+Compose V1 is end-of-life, and as such only issues relating to security vulnerabilities will be considered.
+
+Please do not submit issues regarding bugs or improvements.
+
+For a more up-to-date compose, check v2: https://github.com/docker/compose/tree/v2/
+-->
+
 Please post on our forums: https://forums.docker.com for questions about using `docker-compose`.
 
 Posts that are not a bug report or a feature/enhancement request will not be addressed on this issue tracker.