Favor use of "allowlist" and "denylist" in wwhrd license check config (#5699)

This is the recommended way of configuring wwhrd [1].
Also, those are more inclusive terms in line
with Red Hat recommendations [2].

[1] https://github.com/frapposelli/wwhrd#configuration-file
[2] https://www.redhat.com/en/blog/making-open-source-more-inclusive-eradicating-problematic-language

.wwhrd.yml

@@ -1,9 +1,9 @@
 ---
-blacklist:
+denylist:
   # https://www.apache.org/licenses/GPL-compatibility.html
   - GPL-2.0
 
-whitelist:
+allowlist:
   - Apache-2.0
   - MIT
   - NewBSD