Update libevse-security to v0.4.2

Signed-off-by: Kai-Uwe Hermann <kai-uwe.hermann@pionix.de>

Author: hikinggrass

dependencies.yaml

@@ -30,7 +30,7 @@ websocketpp:
   git_tag: 0.8.2
 libevse-security:
   git: https://github.com/EVerest/libevse-security.git
-  git_tag: 1604c8b
+  git_tag: v0.4.2
 libwebsockets:
   git: https://github.com/warmcat/libwebsockets.git
   git_tag: v4.3.3