Docs: Update Linux build dependencies intro to mention package managers

Author: pranavchoudhary-tech

getting-started/setup-building.rst

@@ -765,7 +765,7 @@ some of CPython's modules (for example, ``zlib``).
    For Unix-based systems, we try to use system libraries whenever available.
    This means optional components will only build if the relevant system headers
    are available. The best way to obtain the appropriate headers will vary by
-   distribution, but the appropriate commands for some popular distributions
+   distribution, but the appropriate commands for some popular package managers
    are below.
 
    .. tab:: dnf