ci(ecosystem): fail loudly if vinext minimumReleaseAge patch misses

Guard the regex-replace so an upstream layout change that removes the
`minimumReleaseAge:` line surfaces as an explicit error instead of
silently no-opping (which would let the original `ERR_PNPM_NO_MATURE_MATCHING_VERSION`
failure resurface in CI without an obvious cause).

Author: fengmk2

ecosystem-ci/patch-project.ts

@@ -36,11 +36,11 @@ if (project === 'vinext') {
   // upgrade-deps PRs can install transitive deps that were just published.
   const workspacePath = join(repoRoot, 'pnpm-workspace.yaml');
   const workspace = await readFile(workspacePath, 'utf-8');
-  await writeFile(
-    workspacePath,
-    workspace.replace(/^minimumReleaseAge:.*$/m, 'minimumReleaseAge: 0'),
-    'utf-8',
-  );
+  const patched = workspace.replace(/^minimumReleaseAge:.*$/m, 'minimumReleaseAge: 0');
+  if (patched === workspace) {
+    throw new Error(`vinext patch: \`minimumReleaseAge:\` not found in ${workspacePath}`);
+  }
+  await writeFile(workspacePath, patched, 'utf-8');
 }
 
 // Projects that already use vite-plus need VP_FORCE_MIGRATE=1 so