Add profile metadata to JSON schema

[NouhaManai96]

What does this PR do?

Add profile metadata to JSON schema

Motivation

We are adding support for the metadata

Describe how you validated your changes

This structure is used on the backend side by RC, changes were validated by sending requests with the new fields to the rc-api and making sure they succeeded.

Possible Drawbacks / Trade-offs

Additional Notes

[agent-platform-auto-pr]

Package size comparison

Comparison with ancestor 6b70b84aebd4b35f9661d0fb3fe97dbe6f90dddf

Diff per package

package	diff	status	size	ancestor	threshold
datadog-agent-amd64-deb	0.00MB	✅	1271.61MB	1271.61MB	140.00MB
datadog-iot-agent-amd64-deb	0.00MB	✅	113.29MB	113.29MB	10.00MB
datadog-dogstatsd-amd64-deb	0.00MB	✅	78.41MB	78.41MB	10.00MB
datadog-heroku-agent-amd64-deb	0.00MB	✅	526.65MB	526.65MB	70.00MB
datadog-agent-x86_64-rpm	0.00MB	✅	1280.85MB	1280.85MB	140.00MB
datadog-agent-x86_64-suse	0.00MB	✅	1280.85MB	1280.85MB	140.00MB
datadog-iot-agent-x86_64-rpm	-0.00MB	✅	113.35MB	113.35MB	10.00MB
datadog-iot-agent-x86_64-suse	-0.00MB	✅	113.35MB	113.35MB	10.00MB
datadog-dogstatsd-x86_64-rpm	0.00MB	✅	78.49MB	78.49MB	10.00MB
datadog-dogstatsd-x86_64-suse	0.00MB	✅	78.49MB	78.49MB	10.00MB
datadog-agent-arm64-deb	0.00MB	✅	1005.67MB	1005.67MB	140.00MB
datadog-iot-agent-arm64-deb	0.00MB	✅	108.76MB	108.76MB	10.00MB
datadog-dogstatsd-arm64-deb	0.00MB	✅	55.64MB	55.64MB	10.00MB
datadog-agent-aarch64-rpm	0.00MB	✅	1014.89MB	1014.89MB	140.00MB
datadog-iot-agent-aarch64-rpm	0.00MB	⚠️	108.83MB	108.83MB	10.00MB

Decision

⚠️ Warning

[agent-platform-auto-pr]

Test changes on VM

Use this command from test-infra-definitions to manually test this PR changes on a VM:

inv aws.create-vm --pipeline-id=50856607 --os-family=ubuntu

Note: This applies to commit 73e7b0f

[dplepage-dd]

LGTM