fix typo

Author: vasfvitor

packages/releases-generator/build.ts

@@ -374,7 +374,12 @@ function entitify(str: string): string {
     .replace(/\$\{/g, '$\\{');
 }
 
-if (process.env.CONTEXT === 'production' || process.env.HEAD?.startsWith('release-pages')) {
+const branches = ['release-pages', 'releases-pages'];
+
+if (
+  process.env.CONTEXT === 'production' ||
+  branches.some((branch) => branch.startsWith(process.env.HEAD ?? '__release__'))
+) {
   generator();
 } else {
   console.info('Skipping `/release` pages build');