add toml module

[mchugh19]

What does this PR do?

Leverages the existing toml serializer to add a toml renderer. Also updates the serializer from pytoml to the supported toml library.

What issues does this PR fix or reference?

Updated library fixes: #56323
Fixes: #14802

Previous Behavior

Serializer used old pytoml library and no toml renderer.

New Behavior

Now you can write salt states in toml:

#!jinja|toml

{% set myvar = "sometext" %}

[["some id"."test.nop"]]
name = "{{ myvar }}"
[["some id"."test.nop"]]
txt = "hello"
[["some id"."test.nop"]]
wow = "thing"

Docs & changelog written?

Yes & No

• Docs
• Changelog

Tests written?

Yes

Commits signed with GPG?

No

[mchugh19]

Looks like this may require adding the toml dependency. What's the appropriate way of marking that in the test suite?

[mchugh19]

re-run pr-ubuntu1804-py3

[mchugh19]

re-run pr-ubuntu1804-py3

[mchugh19]

Almost all working. Ubuntu seems pretty stuck with

An un-handled exception was caught by salt's testing global exception handler:
07:11:39         RuntimeError: Failed to load filename map: while constructing a mapping
07:11:39           in "/tmp/kitchen/testing/tests/filename_map.yml", line 1, column 1
07:11:39         found conflicting ID 'salt/utils/vt.py'