(maint) Fix incorrect label used in config

The GitReleaseManager configuration have changed since the last time a
release was being made, and is now using `Build Automation` instead of
the old `BuildAutomation`. As such, the configuration for this label is
updated in the commit.

GitReleaseManager.yaml

@@ -9,7 +9,7 @@ issue-labels-include:
   - Dependency Change
 issue-labels-exclude:
   - Internal Refactoring
-  - BuildAutomation
+  - Build Automation
   - NO RELEASE NOTES
 issue-labels-alias:
   - name:    Documentation