Add a new label and entry to labeler.yml for Command Buffers.

Author: martygrant

.github/labeler.yml

@@ -57,3 +57,11 @@ conformance:
   - changed-files:
     - any-glob-to-any-file:
       - test/conformance/**
+
+command-buffer:
+  - changed-files:
+    - any-glob-to-any-file:
+      - scripts/core/EXP-COMMAND-BUFFER.rst
+      - scripts/core/exp-command-buffer.yml
+      - source/adapters/**/command_buffer.*
+      - test/conformance/exp_command_buffer**