fix: update target_commitish of release

dist/index.js

@@ -40967,7 +40967,7 @@ async function createOrGetRelease(client, owner, repo, body) {
         name: body.name || release.name,
         prerelease: body.prerelease !== undefined ? body.prerelease : release.prerelease,
         tag_name: body.tag_name || release.tag_name,
-        target_commitish: body.target_commitish || release.target_commitish,
+        target_commitish: target_commitish,
       }
     })
     return release