docs: contributing: gsoc: 2022: Updated link to timeline

Author: pdxjohnny

docs/contributing/gsoc/2022/index.rst

@@ -4,7 +4,7 @@ GSoC 2022
 DFFML is hoping to participate in Google Summer of Code under the Python
 Software Foundation umbrella. You can read all about what GSoC is at
 http://python-gsoc.org/ and
-https://summerofcode.withgoogle.com/how-it-works/#timeline
+https://developers.google.com/open-source/gsoc/timeline
 
 NOTE:
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