fix: @semantic-release/exec prepareCmd

Author: EqualMa

release.config.js

@@ -13,7 +13,7 @@ module.exports = {
     "@semantic-release/changelog",
     ["@semantic-release/npm", { npmPublish: false }],
     // rebuild so that new version is respected
-    ["@semantic-release/exec", { prepare: "yarn build" }],
+    ["@semantic-release/exec", { prepareCmd: "yarn build" }],
     ["@semantic-release/npm", { pkgRoot: "dist" }],
     "@semantic-release/git",
     "@semantic-release/github",