Enable GitHub Actions CI

Drop the Codecov and RubyGems.org publish steps since this fork won't
configure those secrets, and remove the Pages-only docs workflow since
GitHub Pages isn't being enabled either.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

Author: mattwebbio

.github/workflows/_test-matrix.yml

@@ -8,9 +8,6 @@ on:
         required: false
         type: boolean
         default: false
-    secrets:
-      CODECOV_TOKEN:
-        required: false
 
 permissions:
   contents: read
@@ -66,15 +63,6 @@ jobs:
         if: matrix.ruby-version == '4.0' && matrix.rails-version == 'rails-8.1'
         run: bundle exec appraisal ${{ matrix.rails-version }} bin/rspec-queue
 
-      - name: Upload coverage to Codecov
-        if: matrix.ruby-version == '4.0' && matrix.rails-version == 'rails-8.1'
-        uses: codecov/codecov-action@v5
-        env:
-          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
-        with:
-          files: ./coverage/coverage.xml
-          fail_ci_if_error: false
-
       - name: Run the test suite with Faraday v1
         if: matrix.ruby-version != '4.0'
         run: |

.github/workflows/docs.yml

@@ -88,23 +88,3 @@ jobs:
         env:
           GEM_HOST_API_KEY: "Bearer ${{ secrets.GITHUB_TOKEN }}"
           OWNER: ${{ github.repository_owner }}
-
-      - name: Publish to RubyGems
-        if: steps.check_version.outputs.version_changed == 'true'
-        run: |
-          mkdir -p $HOME/.gem
-          touch $HOME/.gem/credentials
-          chmod 0600 $HOME/.gem/credentials
-          printf -- "---\n:rubygems_api_key: ${GEM_HOST_API_KEY}\n" > $HOME/.gem/credentials
-          gem build *.gemspec
-          output=$(gem push *.gem 2>&1) || {
-            echo "$output"
-            if echo "$output" | grep -q "Repushing of gem versions is not allowed"; then
-              echo "Version already exists, skipping"
-              exit 0
-            else
-              exit 1
-            fi
-          }
-        env:
-          GEM_HOST_API_KEY: "${{ secrets.RUBYGEMS_AUTH_TOKEN }}"