fix(exec): exit with the right exit code

.changeset/wise-jobs-glow.md

@@ -0,0 +1,5 @@
+---
+"@pnpm/plugin-commands-script-runners": patch
+---
+
+`pnpm exec` should exit with the exit code of the child process and should not print an error.

packages/plugin-commands-script-runners/src/exec.ts

@@ -121,6 +121,9 @@ export async function handler (
           })
           result.passes++
         } catch (err) {
+          if (!opts.recursive && typeof err.exitCode === 'number') {
+            process.exit(err.exitCode)
+          }
           logger.info(err)
 
           if (!opts.bail) {