test: use common.PORT instead of hardcoded number

In sequential/test-https-connect-localport, replace 34567 with
common.PORT.

PR-URL: https://github.com/nodejs/node/pull/26881
Fixes: https://github.com/https://github.com/nodejs/node/issues/26862


Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>