Fix module/role level version_added rendering

[felixfontein]

There _ is escaped and the escaping is visible in the rendered HTML, see for example https://docs.ansible.com/ansible/devel/collections/community/hashi_vault/vault_kv2_get_module.html, https://docs.ansible.com/ansible/devel/collections/community/sap_libs/sap_snote_module.html, and https://docs.ansible.com/ansible/devel/collections/cloudscale_ch/cloud/network_module.html.

Thanks to @briantist for noticing and reporting this on IRC.

[felixfontein]

You can see the improved output here: https://ansible.fontein.de/collections/community/hashi_vault/vault_kv2_get_module.html#ansible-collections-community-hashi-vault-vault-kv2-get-module

[briantist]

thank you!

[felixfontein]

@briantist thanks for reviewing this!

[samccann]

fwiw, it used to say;
New in version 2.5.0: of community.hashi_vault
And now it says:
New in version community.hashi_vault: 2.5.0

I prefer the older way of putting the version first. Do we know why it changed?

[felixfontein]

@samccann this was changed in #34, not in this PR. The main reason this change happened was because all other version added texts were bad. That this one changed in this way wasn't intentional.

[felixfontein]

In any case, New in version 2.5.0: of community.hashi_vault isn't great either, since this basically says (using Sphinx's semantics) that the feature called "of community.hashi_vault" was added in version 2.5.0.

[samccann]

ok thanks for the explanation. What do you think about New in community.foo: version 2.4.0 as an enhancement in the future?

[felixfontein]

@samccann what do you think about New in community.hashi_vault 2.5.0, as in https://ansible.fontein.de/collections/community/hashi_vault/vault_kv2_get_module.html or https://ansible.fontein.de/collections/ansible/builtin/dnf_module.html ?

[felixfontein]

(I created #43 for this.)