Docs: Add troubleshooting for OpenSSL build errors

Adds the --with-openssl-rpath=auto flag to help resolve "Python requires a OpenSSL 1.1.1 or newer" errors on Linux/WSL. Fixes #1727.

Author: Vikash-Kumar-23

getting-started/setup-building.rst

@@ -197,6 +197,16 @@ Configuration is typically::
 More flags are available to ``configure``, but this is the minimum you should
 do to get a pydebug build of CPython.
 
+.. note::
+   **Could not build the ssl module!**
+
+   If the build fails with an error stating ``Python requires a OpenSSL 1.1.1 or newer``
+   despite having it installed, try using the following configuration flag:
+
+   .. code-block:: bash
+
+      ./configure --with-openssl-rpath=auto
+
 .. note::
    You might need to run ``make clean`` before or after re-running ``configure``
    in a particular build directory.