Update _index.md

In security section all the points are starting with capital letter but seccomp starts with small letter. So to maintain uniformity i have changed seccomp to Seccomp.

Author: PranitRout07

content/en/docs/tutorials/_index.md

@@ -57,7 +57,7 @@ Before walking through each tutorial, you may want to bookmark the
 * [Apply Pod Security Standards at Cluster level](/docs/tutorials/security/cluster-level-pss/)
 * [Apply Pod Security Standards at Namespace level](/docs/tutorials/security/ns-level-pss/)
 * [AppArmor](/docs/tutorials/security/apparmor/)
-* [seccomp](/docs/tutorials/security/seccomp/)
+* [Seccomp](/docs/tutorials/security/seccomp/)
 ## {{% heading "whatsnext" %}}
 
 If you would like to write a tutorial, see