fixed URL for becoming an unprivileged user doc (#74448)

examples/ansible.cfg

@@ -278,7 +278,7 @@
 # choice but to create world readable temporary files to execute a module on
 # the remote machine. This option is False by default for security. Users may
 # turn this on to have behaviour more like Ansible prior to 2.1.x. See
-# https://docs.ansible.com/ansible/latest/user_guide/become.html#becoming-an-unprivileged-user
+# https://docs.ansible.com/ansible/latest/user_guide/become.html#risks-of-becoming-an-unprivileged-user
 # for more secure ways to fix this than enabling this option.
 #
 #allow_world_readable_tmpfiles = False

lib/ansible/plugins/action/__init__.py

@@ -687,7 +687,7 @@ class ActionBase(with_metaclass(ABCMeta, object)):
                         'member. In this situation, '
                         'allow_world_readable_tmpfiles is a no-op. See this '
                         'URL for more details: %s'
-                        '#becoming-an-unprivileged-user' % become_link)
+                        '#risks-of-becoming-an-unprivileged-user' % become_link)
                 if execute:
                     group_mode = 'g+rwx'
                 else:
@@ -718,7 +718,7 @@ class ActionBase(with_metaclass(ABCMeta, object)):
             'Failed to set permissions on the temporary files Ansible needs '
             'to create when becoming an unprivileged user '
             '(rc: %s, err: %s}). For information on working around this, see %s'
-            '#becoming-an-unprivileged-user' % (
+            '#risks-of-becoming-an-unprivileged-user' % (
                 res['rc'],
                 to_native(res['stderr']), become_link))