誤
<div class="code-block-container"><pre class="language-yml"><code class="language-yml">if: ${{ needs.check-release.outputs.target-release }} != {{ needs.check-release.outputs.self-release }}
</code></pre></div><iframe id="zenn-embedded__c655716259f03" src="https://embed.zenn.studio/card#zenn-embedded__c655716259f03" data-content="https%3A%2F%2Fgithub.com%2Ftktcorporation%2Fdocker-mhsendmail%2Fruns%2F6952020703%3Fcheck_suite_focus%3Dtrue" frameborder="0" scrolling="no" loading="lazy"></iframe><a href="https://github.com/tktcorporation/docker-mhsendmail/runs/6952020703?check_suite_focus=true" style="display:none" target="_blank" rel="nofollow noopener noreferrer">https://github.com/tktcorporation/docker-mhsendmail/runs/6952020703?check_suite_focus=true</a>
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正
<div class="code-block-container"><pre class="language-yml"><code class="language-yml">if: ${{ needs.check-release.outputs.target-release != needs.check-release.outputs.self-release }}
</code></pre></div><iframe id="zenn-embedded__189afac0a8724" src="https://embed.zenn.studio/card#zenn-embedded__189afac0a8724" data-content="https%3A%2F%2Fgithub.com%2Ftktcorporation%2Fdocker-mhsendmail%2Factions%2Fruns%2F2523556979%2Fworkflow" frameborder="0" scrolling="no" loading="lazy"></iframe><a href="https://github.com/tktcorporation/docker-mhsendmail/actions/runs/2523556979/workflow" style="display:none" target="_blank" rel="nofollow noopener noreferrer">https://github.com/tktcorporation/docker-mhsendmail/actions/runs/2523556979/workflow</a>
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expression 全体を <code>${{}}</code> で囲わないといけないみたい