remove warning from BeautifulSoup

BS is generating a warning because the parser was not specified, as can be seen in the doc: https://escape2020.pages.in2p3.fr/wp3/eossr/examples/ossr_api-Explore_the_OSSR.html

eossr/api/zenodo/__init__.py

@@ -538,7 +538,7 @@ class Record:
 
     def print_info(self):
         metadata = self.data['metadata']
-        descrp = BeautifulSoup(metadata['description']).text
+        descrp = BeautifulSoup(metadata['description'], features='html.parser').get_text()
         print(f"=== Record #{self.id} ===")
         print(f"Title: {self.title} ===")
         print(f"DOI: {self.data['doi']}")