Better wording for PSP (#850)

* Bump release version to 5.0

* Make LICENSE symlink valid again

* Typo fixes

* Better wording for PSP

Signed-off-by: JenTing Hsiao <jenting.hsiao@suse.com>

* Apply suggestions from code review

Co-authored-by: Nora Koranova <48240585+nkoranova@users.noreply.github.com>

Co-authored-by: Markus Napp <mnapp@suse.com>
Co-authored-by: Stefan Knorr <sknorr@suse.de>
Co-authored-by: Nora Koranova <48240585+nkoranova@users.noreply.github.com>

adoc/admin-security-psp.adoc

@@ -18,11 +18,10 @@ service accounts so they are allowed to launch pods with the associated
 specifications. The policies are associated with users or  service accounts via
 role bindings.
 
-[WARNING]
+[NOTE]
 ====
-The default policies shipped with {productname} are not suitable for production
-environments. Please create your own security policies with the appropriate
-amount of permissions/restrictions.
+The default policies shipped with {productname} are a good start, but depending
+on security requirements, adjustments should be made or additional policies should be created.
 ====
 
 == Default Policies