.github/workflows/test: temporarily disable YARD check

Fails with ```load_setup_rb': undefined method `taint'``

Fixed in YARD but not released yet:
lsegal/yard#1419

.github/workflows/test.yml

@@ -23,10 +23,14 @@ jobs:
     - name: Rubocop lint
       run: bundle exec rubocop
 
-    - name: YARD lint
-      run: |
-        touch README # Workaround for "incorrect" anchor links in README.md
-        bundle exec yardoc --fail-on-warning --no-progress --readme=README
+    # Disable for now because Ruby 3.2 + YARD don't work well.
+    # There's a YARD bug that has been fixed but not released yet:
+    #   * https://github.com/lsegal/yard/pull/1419
+    #
+    # - name: YARD lint
+    #   run: |
+    #     touch README # Workaround for "incorrect" anchor links in README.md
+    #     bundle exec yardoc --fail-on-warning --no-progress --readme=README
 
     - name: Display Ruby version
       run: ruby -v