[master] 8b4c7a1eb doc: freebsd install update

[Nils Goroll]

commit 8b4c7a1eb44bbc3259bf7b95f19f0e3d6b1aefcb
Author: Nils Goroll <nils.goroll at uplex.de>
Date:   Wed Jun 5 11:16:49 2024 +0200

    doc: freebsd install update
    
    as of 14.1-RELEASE

diff --git a/doc/sphinx/installation/install_source.rst b/doc/sphinx/installation/install_source.rst
index 0415513b2..83c65c321 100644
--- a/doc/sphinx/installation/install_source.rst
+++ b/doc/sphinx/installation/install_source.rst
@@ -29,7 +29,7 @@ Build dependencies on FreeBSD
 To get the dependencies required to build varnish from source
 you can either::
 
-	pkg install automake pkgconf py36-sphinx py36-docutils pcre2 libtool
+	pkg install git automake pkgconf py39-sphinx py39-docutils pcre2 libtool
 
 .. XXX does cpio need to be installed on FreeBSD?