feat: update terraform-docs to 0.14.1

[bogaertg]

Description of your changes

I have:

• Read and followed terraform-docs' contribution process.

How has this code been tested

[bogaertg]

poke @Dirrk @khos2ow

[khos2ow]

Thank you @bogaertg and sorry for the delay!

gh-actions is a bit behind of terraform-docs core version and to make sure every version is covered we cannot skip versions (i.e. v0.13.0 and v0.14.0 are missing prior to this PR). And also I need to finish up #46 prior v0.7.0 (equivalent of terraform-docs v0.13.0).

That said, in the meantime that I finish up the rest of them to be able to proceed with your PR, there are two items are missing:

• update of REAMDE is missing in this PR (take a look at b2fd336 for instance)
• upgrade v0.13.0 -> v0.14.0

Please let me know if you're up to submit another PR for the latter. Otherwise I'll get around to them and come back to this PR shortly after the rest of them were done.

[khos2ow]

@bogaertg please go ahead and rebase your PR. Also please update README.md and .github/templates/README.tpl with new v0.14.1 version.

[bogaertg]

I'm on vacation until 8th August. I will do this when I'm back unless someone is faster than me 😜

[khos2ow]

Ah, have fun! If you'd like I can fix the conflict here, just make sure you allow access to maintainers (by checking the box on the right)