Update free-podcasts-screencasts-pt_BR.md (#4526)

added a new podcast in data science category (pt-br)

free-podcasts-screencasts-pt_BR.md

@@ -34,6 +34,7 @@
 
 ### DataScience
 
+* [Data Science Academy](http://datascienceacademy.com.br/blog/podcast-dsa/) (podcast)
 * [Pizza de Dados](https://pizzadedados.com) (podcast)
 * [Programação Dinâmica - Machine Learning em Python](https://www.youtube.com/playlist?list=PL5TJqBvpXQv5CBxLkdqmou_86syFK7U3Q) (screencast)