fix "every step must define a uses or run key"

Author: anoworl

.github/workflows/release.yml

@@ -16,8 +16,7 @@ jobs:
       - run: bundle exec rake build
       - id: gem
         run: echo "::set-output name=result::$(find pkg -name 'deploygate-*.gem' -type f | head -1)"
-      - run:
-        command: |
+      - run: |
           curl --data-binary '@${{ steps.result.outputs.result }}' \
             -H 'Authorization: ${{ secrets.RUBYGEMS_API_KEY }}' \
             "https://rubygems.org/api/v1/gems"
@@ -26,4 +25,4 @@ jobs:
           payload: "{\"text\": \"Released a deploygate gem in <https://rubygems.org/gems/deploygate/|RubyGems>\"}"
         env:
           SLACK_WEBHOOK_URL: ${{ secrets.SHARED_FOR_RELEASE_ARTIFACT_SLACK_INCOMING_WEBHOOK_URL }}
-          SLACK_WEBHOOK_TYPE: INCOMING_WEBHOOK
+          SLACK_WEBHOOK_TYPE: INCOMING_WEBHOOK