test: move test-https-connect-localport to sequential

test-https-connect-localport uses a hard-coded port number. Therefore
the test cannot be in the parallel directory because it will sometimes
conflict with other tests that run at the same time and request that the
OS provide an available port.

Fixes: #26862

PR-URL: #26881
Fixes: #26862
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Yongsheng Zhang <[email protected]>
Reviewed-By: Gireesh Punathil <[email protected]>
Reviewed-By: Daijiro Wachi <[email protected]>

Author: Trott