chore: relative links in security policy

Signed-off-by: Maksim Elizarev <44438314+djmaxus@users.noreply.github.com>

Author: djmaxus

SECURITY.md

@@ -5,7 +5,7 @@
 Only `main` branch and the latest release by default.
 
 If you use the template and later identify any issues:
-1. Try downloading and applying `matlab-repo-init-vX.X.X` from the [latest release](https://github.com/djmaxus/matlab-repo-init/releases/latest)
+1. Try downloading and applying `<repository_name>-vX.X.X.zip` from the [latest release](../../releases/latest)
 2. If issues persist, please report (see [contributing guidelines](./CONTRIBUTING.md) or [next section](#reporting-a-vulnerability))
 
 ## Reporting a Vulnerability