Re-enable ignoring of temporary merge queue branches. Closes #103.

Author: jaraco

.github/workflows/main.yml

@@ -4,8 +4,11 @@ on:
   merge_group:
   push:
     branches-ignore:
-    # disabled for jaraco/skeleton#103
-    # - gh-readonly-queue/**  # Temporary merge queue-related GH-made branches
+    # temporary GH branches relating to merge queues (jaraco/skeleton#93)
+    - gh-readonly-queue/**
+    tags
+    # required if branches-ignore is supplied (jaraco/skeleton#103)
+    - '**'
   pull_request:
 
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