Argentinian podcasts

anybody know any podcasts or good youtuber channels that utilise the porteno accent

There are lots of them. It depends on your interests. Here are two YT channels that I follow:
For example. Mandarin Lab is the channel of a Chinese young woman raised in Argentina:

Japatonic is a channel by an Argentinian man living in Japan: his family came originally from Japan
but his main language is Rioplatense Spanish:

Mil gracias!! Buena data!