ci: Update valid scopes

.github/semantic.yml

@@ -1,11 +1,18 @@
 # Valid scopes for commit messages. 
 scopes:
+  - appveyor
   - arch
+  - client
   - core
   - encrypt
+  - example
+  - fuzz
   - multithread
 # Nodeset Compiler
   - nc
+  - plugin
+  - pack
+  - pubsub
   - server
-  - client
+  - travis