Update languages/python-conprof/setup.py

Co-authored-by: Jérémy Derussé <[email protected]>

Author: sumerc-psh

setup.py

@@ -15,7 +15,7 @@
     install_requires=["ddtrace==1.13.3"],
     description="Blackfire Continuous Profiler",
     long_description="Blackfire Continuous Profiler",
-    long_description_content_type="test/markdown",
+    long_description_content_type="text/x-rst",
     url=HOMEPAGE,
     classifiers=[
         "Programming Language :: Python",