Add 4.14 LTS docs (#1379)

Author: davsclaus

antora-playbook-snippets/antora-playbook.yml

@@ -17,6 +17,7 @@ content:
     - url: https://github.com/apache/camel.git
       branches:
         - main
+        - camel-4.14.x
         - camel-4.10.x
         - camel-4.8.x
         - camel-3.22.x
@@ -64,6 +65,7 @@ content:
     - url: https://github.com/apache/camel-spring-boot.git
       branches:
         - main
+        - camel-spring-boot-4.14.x
         - camel-spring-boot-4.10.x
         - camel-spring-boot-4.8.x
         - camel-spring-boot-3.22.x