Feature: Add support for deprecation

[timotheeguerin]

fix #3690

This adds support for deprecated field on:

• Operation: OpenAPI 3 & Swagger
• Parameters: OpenAPI 3 only
• Schema: OpenAPI3 only

This can be done by adding the following fielld to any of the entity described above.

deprecated: true

Modelerfour schema change:

# This field is added when entity is deprecated(Empty object for now).
deprecated: {}

# If model is NOT deprecated this field is not present.

[azure-pipelines]

You may test this build by running autorest --reset and then either:

---

Add the following CLI flags

Pacakge	Flag	Description
@autorest/core	--version:https://tinyurl.com/yfn72g7e	For changes to autorest core.
@autorest/modelerfour	--use:https://tinyurl.com/yfgbntxm	For changes to modelerfour.

Or with all

autorest --version:https://tinyurl.com/yfn72g7e --use:https://tinyurl.com/yfgbntxm

---

or use the following in your autorest configuration:

# For changes to autorest core
version: "https://tinyurl.com/yfn72g7e"

# For changes to modelerfour
use-extension:
  "@autorest/modelerfour": "https://tinyurl.com/yfgbntxm"

---

If this build is good for you, give this comment a thumbs up. (👍) And you should run `autorest --reset` again once you're finished testing to remove it.

[azure-pipelines]

You may test this build by running autorest --reset and then either:

---

Add the following CLI flags

Pacakge	Flag	Description
@autorest/core	--version:https://tinyurl.com/yfm4htgd	For changes to autorest core.
@autorest/modelerfour	--use:https://tinyurl.com/yjkf7hcq	For changes to modelerfour.

Or with all

autorest --version:https://tinyurl.com/yfm4htgd --use:https://tinyurl.com/yjkf7hcq

---

or use the following in your autorest configuration:

# For changes to autorest core
version: "https://tinyurl.com/yfm4htgd"

# For changes to modelerfour
use-extension:
  "@autorest/modelerfour": "https://tinyurl.com/yjkf7hcq"

---

If this build is good for you, give this comment a thumbs up. (👍) And you should run `autorest --reset` again once you're finished testing to remove it.