ci: windows 3.4 is still not available, use head

and jruby-head is still failing, skip rdoc/psych entirely

.github/workflows/ci.yml

@@ -69,7 +69,7 @@ jobs:
           submodules: true
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: "3.4"
+          ruby-version: "3.3"
           bundler-cache: true
           bundler: latest
       - run: bundle exec rake gumbo:test
@@ -97,6 +97,7 @@ jobs:
     outputs:
       # these are usually the same, but are different once we get to ruby release candidates
       setup_ruby: "['3.1', '3.2', '3.3', '3.4']"
+      setup_ruby_win: "['3.1', '3.2', '3.3', 'head']"
       image_tag: "['3.1', '3.2', '3.3', '3.4']"
     runs-on: ubuntu-latest
     steps:
@@ -321,7 +322,7 @@ jobs:
       fail-fast: false
       matrix:
         sys: ["enable", "disable"]
-        ruby: ${{ fromJSON(needs.ruby_versions.outputs.setup_ruby) }}
+        ruby: ${{ fromJSON(needs.ruby_versions.outputs.setup_ruby_win) }}
     runs-on: windows-2022
     steps:
       - name: configure git crlf
@@ -541,7 +542,7 @@ jobs:
       fail-fast: false
       matrix:
         sys: ["enable", "disable"]
-        ruby: ${{ fromJSON(needs.ruby_versions.outputs.setup_ruby) }}
+        ruby: ${{ fromJSON(needs.ruby_versions.outputs.setup_ruby_win) }}
     runs-on: windows-2022
     steps:
       - uses: actions/checkout@v4
@@ -687,7 +688,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ${{ fromJSON(needs.ruby_versions.outputs.setup_ruby) }}
+        ruby: ${{ fromJSON(needs.ruby_versions.outputs.setup_ruby_win) }}
     runs-on: windows-2022
     steps:
       - uses: actions/checkout@v4

Gemfile

@@ -33,7 +33,8 @@ end
 # If Psych doesn't build, you can disable this group locally by running
 # `bundle config set --local without rdoc`
 # Then re-run `bundle install`.
-group :rdoc do
-  gem "rdoc", "6.10.0"
-  gem "jar-dependencies", "0.4.1" if RUBY_PLATFORM == "java" # https://github.com/jruby/jruby/issues/7262
+unless RUBY_PLATFORM == "java" # see #3391 and https://github.com/jruby/jruby/issues/7262
+  group :rdoc do
+    gem "rdoc", "6.10.0"
+  end
 end