Fix broken link to dev install

to address astropy/astropy#16871

Author: pllim

contribute.html

@@ -153,7 +153,7 @@ <h2 id="contribute-code-or-docs">Contribute code or documentation<a class="paral
       </ul>
       <p>You may also want to familiarize yourself with the <a href="http://docs.astropy.org/en/latest/#developer-documentation" target="_blank">developer documentation</a>, particularly the <a href="http://docs.astropy.org/en/latest/development/codeguide.html">coding</a> and <a href="http://docs.astropy.org/en/latest/development/docguide.html">documentation</a> guidelines.</p>
 
-  <p> Once you have a change to propose, if it's a simple fix to just a single file, you can even just browse to the appropriate file and use the "edit" button on github.  If it's a more complex change, we suggest you follow the <a target="_blank" href="https://docs.astropy.org/en/latest/development/workflow/get_devel_version.html">developer install instructions</a>, and use that with <a href="https://github.com/astropy/astropy">Astropy's github page</a> to issue a pull request with your changes.  If you aren't familiar with github, we suggest you looking over our <a href="http://astropy.readthedocs.org/en/latest/development/workflow/development_workflow.html">workflow documentation</a>. Once your code is accepted, you are officially an Astropy contributor and eligible to be included on the author list of future publications.  </p>
+  <p> Once you have a change to propose, if it's a simple fix to just a single file, you can even just browse to the appropriate file and use the "edit" button on github.  If it's a more complex change, we suggest you follow the <a target="_blank" href="https://docs.astropy.org/en/latest/development/quickstart.html#install-the-development-version-of-astropy">developer install instructions</a>, and use that with <a href="https://github.com/astropy/astropy">Astropy's github page</a> to issue a pull request with your changes.  If you aren't familiar with github, we suggest you looking over our <a href="http://astropy.readthedocs.org/en/latest/development/workflow/development_workflow.html">workflow documentation</a>. Once your code is accepted, you are officially an Astropy contributor and eligible to be included on the author list of future publications.  </p>
 
   <p> If you want to propose a larger change to Astropy, there's a procedure for that:  <a href="https://github.com/astropy/astropy-APEs">Astropy Proposals for Enhancement (APEs)</a> (modeled after Python's <a href="http://legacy.python.org/dev/peps/">PEPs</a>).  The sort of changes that APEs are intended for include plans for new sub-packages, wide-ranging code re-organizations, a new procedure needing review by a lot of the Astropy community, or an informational document on some decision for Astropy that you want remembered.  For more background on APEs, check out <a href="https://github.com/astropy/astropy-APEs/blob/main/APE1.rst">APE #1</a> and the <a href="https://github.com/astropy/astropy-APEs/blob/main/README.rst">APE repository's README</a>.  There is also a <a href="https://github.com/astropy/astropy/wiki/APE-Overview">wiki page on Astropy's github repository</a> that has an overview of the existing APEs.</p>