docs: add deprecation warning to code-security section

Author: Aleksander-Karlsson

content/code-security/how-tos/secure-your-supply-chain/manage-your-dependency-security/configuring-the-dependency-review-action.md

@@ -36,7 +36,7 @@ Here is a list of common configuration options. For more information, and a full
 | `allow-licenses` | {% octicon "x" aria-label="Optional" %} | Contains a list of allowed licenses. You can find the possible values for this parameter in the [Licenses](/rest/licenses) page of the API documentation.</br>The action will fail on pull requests that introduce dependencies with licenses that do not match the list.|
 | {% endif %} |
 | {% ifversion dependency-review-action-licenses %} |
-| `deny-licenses` | {% octicon "x" aria-label="Optional" %} | Contains a list of prohibited licenses. You can find the possible values for this parameter in the [Licenses](/rest/licenses) page of the API documentation.</br>The action will fail on pull requests that introduce dependencies with licenses that match the list.|
+| `deny-licenses` | {% octicon "x" aria-label="Optional" %} | ⚠️ This option is up for possible removal in the next major release. Contains a list of prohibited licenses. You can find the possible values for this parameter in the [Licenses](/rest/licenses) page of the API documentation.</br>The action will fail on pull requests that introduce dependencies with licenses that match the list.|
 | {% endif %} |
 | `fail-on-scopes` | {% octicon "x" aria-label="Optional" %} | Contains a list of strings representing the build environments you want to support (`development`, `runtime`, `unknown`). </br>The action will fail on pull requests that introduce vulnerabilities in the scopes that match the list.|
 | `comment-summary-in-pr` | {% octicon "x" aria-label="Optional" %} | Enable or disable the reporting of the review summary as a comment in the pull request. If enabled, you must give the workflow or job the `pull-requests: write` permission. With each execution, a new comment will overwrite the existing one.|