[fix] peertube: update _fetch_supported_languages

update the regex to match the changes in peertube source code
fix "make data.languages"

searx/engines/peertube.py

@@ -97,6 +97,6 @@ def _fetch_supported_languages(resp):
     import re
 
     # https://docs.python.org/3/howto/regex.html#greedy-versus-non-greedy
-    videolanguages = re.search(r"videoLanguages \(\) \{(.*?)\]", resp.text, re.DOTALL)
+    videolanguages = re.search(r"videoLanguages \(\)[^\n]+(.*?)\]", resp.text, re.DOTALL)
     peertube_languages = [m.group(1) for m in re.finditer(r"\{ id: '([a-z]+)', label:", videolanguages.group(1))]
     return peertube_languages